diff --git a/08/1.py b/08/1.py
new file mode 100644
index 0000000..06c843e
--- /dev/null
+++ b/08/1.py
@@ -0,0 +1,37 @@
+instructions = [l.split(" ") for l in open("input", "r").read().split("\n") if l]
+instructions = [(operation, int(argument)) for (operation, argument) in instructions]
+visited = set()
+pc = 0
+ac = 0
+operations = {}
+
+def operation(op):
+    def wrap(func):
+        operations[op] = func
+    return wrap
+
+@operation("acc")
+def acc(p):
+    global pc
+    global ac
+    ac += p
+    pc += 1
+
+@operation("jmp")
+def jmp(p):
+    global pc
+    pc += p
+
+@operation("nop")
+def nop(p):
+    global pc
+    pc += 1
+
+while pc not in visited:
+    visited.add(pc)
+    (opcode, p) = instructions[pc]
+    print(pc, ac, opcode, p)
+    op = operations[opcode]
+    op(p)
+
+print(ac)
diff --git a/08/2.py b/08/2.py
new file mode 100644
index 0000000..0dd06ed
--- /dev/null
+++ b/08/2.py
@@ -0,0 +1,37 @@
+instructions = [l.split(" ") for l in open("input_modified", "r").read().split("\n") if l]
+instructions = [(operation, int(argument)) for (operation, argument) in instructions]
+pc = 0
+ac = 0
+operations = {}
+
+def operation(op):
+    def wrap(func):
+        operations[op] = func
+    return wrap
+
+@operation("acc")
+def acc(p):
+    global pc
+    global ac
+    ac += p
+    pc += 1
+
+@operation("jmp")
+def jmp(p):
+    global pc
+    pc += p
+
+@operation("nop")
+def nop(p):
+    global pc
+    if(pc + p > len(instructions)):
+        print(pc, "NOP COULD END")
+    pc += 1
+
+while pc < len(instructions):
+    (opcode, p) = instructions[pc]
+    print(pc, ac, opcode, p)
+    op = operations[opcode]
+    op(p)
+
+print(ac)
diff --git a/08/2_find.py b/08/2_find.py
new file mode 100644
index 0000000..6038efe
--- /dev/null
+++ b/08/2_find.py
@@ -0,0 +1,25 @@
+instructions = [l.split(" ") for l in open("input", "r").read().split("\n") if l]
+instructions = [(operation, int(argument)) for (operation, argument) in instructions]
+#jumpsto = {i: set() for i in range(0, len(instructions)+1)}
+#jumpsfrom = {i: set() for i in range(0, len(instructions)+1)}
+
+def follow(i, changed, visited):
+    if i == len(instructions):
+        print("changed", changed)
+        return
+    if i in visited:
+        return
+    (opcode, p) = instructions[i]
+    visited = visited + [i]
+    if opcode == "nop":
+        follow(i + 1, changed, visited)
+        if not changed:
+            follow(i + p, i, visited)
+    if opcode == "jmp":
+        if not changed:
+            follow(i + 1, i, visited)
+        follow(i + p, changed, visited)
+    elif opcode == "acc":
+        follow(i + 1, changed, visited)
+
+follow(0, 0, [])
diff --git a/08/input b/08/input
new file mode 100644
index 0000000..7b4ebab
--- /dev/null
+++ b/08/input
@@ -0,0 +1,651 @@
+jmp +1
+acc -18
+acc +19
+acc +19
+jmp +202
+acc +15
+acc +42
+acc +30
+acc -7
+jmp +535
+acc +31
+acc +9
+jmp +581
+nop +501
+acc +44
+acc +18
+acc -4
+jmp +545
+acc +9
+acc +5
+nop -2
+acc +3
+jmp +475
+acc -10
+acc +14
+acc +29
+nop +471
+jmp +470
+acc +2
+nop +375
+acc +31
+acc +6
+jmp +420
+acc -1
+acc +2
+nop +185
+jmp +490
+acc +2
+jmp +317
+nop +282
+jmp +457
+acc +37
+jmp +254
+acc +19
+jmp +436
+jmp +458
+acc -7
+acc -2
+acc -17
+jmp +454
+acc +37
+jmp +212
+acc +6
+acc +5
+acc -7
+jmp +104
+acc +5
+nop +134
+acc +46
+jmp +541
+acc +4
+acc +46
+acc +18
+jmp -53
+acc +10
+jmp +285
+acc +39
+acc +34
+nop +109
+acc +47
+jmp +32
+jmp +1
+jmp +143
+acc +36
+jmp +429
+acc +45
+acc +22
+jmp -59
+acc +0
+acc +23
+acc +30
+acc -7
+jmp -45
+acc +46
+acc +31
+jmp +164
+acc +37
+acc +34
+acc +40
+acc -1
+jmp +246
+nop -46
+acc +2
+acc +31
+jmp +221
+nop +413
+jmp -51
+acc -14
+jmp +145
+acc +1
+nop +77
+jmp +131
+jmp +370
+nop +513
+acc +7
+jmp +476
+acc +22
+acc +37
+acc +44
+jmp +334
+acc +9
+acc -1
+acc +5
+acc +27
+jmp +351
+acc +31
+jmp +220
+nop -61
+acc +34
+jmp +504
+nop +471
+acc +6
+acc +48
+jmp -17
+jmp +217
+acc +13
+acc +0
+acc +25
+jmp +144
+acc -5
+acc +17
+nop +341
+jmp -26
+acc -10
+acc +34
+jmp +168
+nop -16
+acc -6
+acc -10
+acc +38
+jmp +30
+acc -2
+acc -14
+jmp +419
+acc +40
+acc -17
+acc +27
+acc +8
+jmp +101
+nop +370
+acc +2
+acc -10
+acc -7
+jmp +224
+nop +437
+acc +42
+acc +50
+acc +39
+jmp +81
+jmp +11
+jmp +143
+acc +6
+acc +46
+jmp -107
+acc +13
+jmp -109
+acc +5
+jmp +1
+jmp +467
+jmp -159
+nop +421
+jmp +243
+acc +44
+nop +412
+acc -6
+acc +13
+jmp +56
+acc -12
+acc +18
+jmp +313
+nop +151
+acc +5
+acc +49
+jmp +120
+acc +46
+acc +23
+nop -122
+acc +21
+jmp -55
+acc -15
+jmp -115
+acc +19
+nop +116
+acc +32
+acc +21
+jmp +16
+acc +27
+acc +32
+jmp +359
+acc +16
+acc +18
+acc +15
+jmp +54
+nop +182
+acc +4
+jmp +361
+acc +4
+acc +38
+acc +49
+jmp -94
+jmp +428
+acc +0
+acc +9
+jmp +224
+jmp +82
+nop +57
+acc +6
+jmp +1
+jmp +144
+jmp +20
+jmp +265
+jmp +402
+nop +114
+acc -12
+acc -11
+acc +1
+jmp +412
+nop -163
+acc +50
+acc +1
+acc -9
+jmp -20
+acc +10
+acc +6
+jmp +323
+acc +10
+jmp +1
+acc +42
+jmp +46
+acc +35
+acc +31
+jmp -139
+jmp +129
+jmp -193
+acc -4
+nop +247
+nop -163
+acc +25
+jmp -26
+acc +34
+acc +26
+acc +40
+jmp +220
+acc -6
+acc +6
+jmp +311
+acc +0
+acc +14
+acc +41
+acc +6
+jmp +284
+acc +32
+jmp -13
+nop +157
+acc -4
+acc +47
+jmp -146
+acc +34
+acc +6
+nop +196
+acc +5
+jmp +268
+acc -8
+jmp -176
+acc +34
+acc +17
+jmp +1
+jmp +114
+acc +32
+acc +39
+nop +313
+acc +38
+jmp -237
+jmp -273
+acc +21
+acc +26
+acc +31
+jmp -231
+acc +17
+jmp -105
+nop +333
+nop +17
+jmp +11
+acc -9
+acc +2
+jmp -162
+acc +3
+acc +0
+nop +318
+jmp +215
+acc +14
+acc +32
+jmp -196
+jmp +33
+acc -6
+acc +45
+acc +27
+jmp -166
+acc -1
+jmp -25
+acc +0
+acc +4
+acc -14
+acc +0
+jmp -115
+nop +118
+acc +28
+nop +175
+acc +45
+jmp -97
+jmp +78
+jmp -284
+acc +35
+nop -248
+acc -18
+acc -6
+jmp -308
+jmp -95
+acc -2
+acc +0
+jmp +255
+acc +7
+jmp -24
+acc +17
+acc +20
+jmp -220
+jmp +172
+acc +40
+acc +39
+acc +19
+jmp -238
+nop +44
+nop -99
+nop +238
+jmp +195
+acc -14
+acc +36
+acc +40
+acc -11
+jmp -65
+nop -54
+nop +47
+acc -11
+jmp +18
+jmp +98
+jmp +252
+nop -1
+acc +1
+acc +10
+jmp -4
+jmp -319
+jmp -46
+acc -8
+acc +50
+acc +43
+jmp -174
+acc +22
+acc +4
+acc +32
+acc -6
+jmp +73
+acc +8
+jmp -31
+acc +16
+nop +11
+acc +26
+jmp -98
+acc -11
+acc +40
+jmp +101
+acc +28
+acc +30
+acc -16
+acc +7
+jmp +239
+jmp -179
+acc +47
+acc +15
+acc +42
+acc +26
+jmp +30
+acc +17
+acc +3
+acc -5
+nop -98
+jmp -236
+acc +2
+jmp +196
+acc +39
+acc -14
+acc +36
+acc +49
+jmp +189
+jmp +235
+acc +27
+acc -2
+acc +16
+acc +40
+jmp -81
+acc -5
+acc +17
+acc -1
+jmp +1
+jmp -129
+nop -171
+acc +47
+jmp +169
+acc -16
+acc -5
+jmp +172
+nop -84
+acc +8
+acc +40
+acc +43
+jmp -33
+acc +39
+nop -12
+jmp +53
+acc +36
+jmp -270
+acc +17
+acc -1
+jmp -255
+acc +0
+acc -12
+jmp -371
+jmp -216
+acc +45
+acc -18
+acc +23
+acc -17
+jmp -37
+jmp -386
+nop -302
+acc -19
+acc -16
+jmp -297
+acc -18
+acc -7
+acc +17
+acc +17
+jmp -173
+jmp +114
+acc +4
+acc +19
+nop -296
+jmp -36
+acc -18
+acc -14
+acc +6
+nop -27
+jmp -101
+acc +15
+nop -407
+jmp +44
+acc -18
+acc -6
+acc +33
+acc +36
+jmp +80
+acc +43
+jmp +73
+acc -2
+acc +7
+acc +4
+jmp -10
+acc +46
+nop -49
+acc +7
+jmp +65
+acc +24
+jmp +144
+acc +13
+acc +26
+jmp -351
+jmp +1
+acc +34
+nop +62
+jmp -363
+acc -4
+acc -5
+jmp +23
+jmp +82
+acc -7
+acc -7
+acc +15
+jmp -468
+acc +7
+nop -423
+jmp -178
+nop -425
+acc +23
+jmp -181
+acc +6
+acc -11
+jmp -321
+acc +3
+jmp -122
+acc +12
+jmp +44
+acc -5
+acc -16
+acc +16
+jmp -281
+acc +33
+acc -4
+acc +15
+jmp +9
+jmp +63
+acc +35
+nop -12
+acc +25
+acc -10
+jmp -452
+acc +1
+jmp -148
+acc +8
+acc +40
+acc +48
+jmp +2
+jmp -315
+nop -325
+acc -4
+acc +16
+acc -4
+jmp -369
+acc +21
+acc +3
+jmp -153
+nop -25
+acc +0
+jmp -84
+acc +32
+jmp +19
+acc -18
+acc -1
+jmp -385
+jmp +1
+jmp -357
+acc -13
+acc -13
+jmp -360
+jmp -393
+acc +4
+nop -102
+jmp -316
+jmp -248
+acc +4
+nop -487
+jmp -339
+acc +3
+jmp -190
+acc +24
+acc +31
+jmp -166
+jmp -482
+acc +22
+acc +32
+jmp -290
+acc +22
+acc +48
+acc +5
+acc -6
+jmp -330
+nop -203
+acc +7
+acc +1
+jmp -287
+acc +15
+acc +3
+jmp -230
+acc +37
+nop -162
+jmp +33
+jmp -147
+acc +16
+acc +39
+acc +49
+jmp -560
+acc +26
+jmp +26
+jmp -283
+jmp -486
+acc -9
+jmp +1
+acc +25
+acc +1
+jmp -514
+acc +46
+jmp -166
+acc -5
+acc +35
+nop -204
+jmp -175
+nop -30
+nop +11
+jmp -400
+acc +15
+acc -7
+acc -1
+jmp +18
+acc +31
+acc +16
+acc +43
+acc +33
+jmp -260
+acc +1
+acc +23
+acc +25
+acc -1
+jmp -200
+acc -15
+jmp -314
+jmp -238
+jmp -75
+jmp -192
+acc +30
+jmp -525
+acc -14
+jmp +17
+acc +7
+acc +9
+acc -6
+nop -312
+jmp -559
+acc +28
+jmp -305
+jmp -239
+acc +0
+acc -5
+acc +9
+jmp -471
+nop -327
+acc -5
+acc -19
+jmp -496
+acc +17
+jmp +1
+jmp +1
+acc +29
+jmp +1
diff --git a/08/input_modified b/08/input_modified
new file mode 100644
index 0000000..905a35d
--- /dev/null
+++ b/08/input_modified
@@ -0,0 +1,651 @@
+jmp +1
+acc -18
+acc +19
+acc +19
+jmp +202
+acc +15
+acc +42
+acc +30
+acc -7
+jmp +535
+acc +31
+acc +9
+jmp +581
+nop +501
+acc +44
+acc +18
+acc -4
+jmp +545
+acc +9
+acc +5
+nop -2
+acc +3
+jmp +475
+acc -10
+acc +14
+acc +29
+nop +471
+jmp +470
+acc +2
+nop +375
+acc +31
+acc +6
+jmp +420
+acc -1
+acc +2
+nop +185
+jmp +490
+acc +2
+jmp +317
+nop +282
+jmp +457
+acc +37
+jmp +254
+acc +19
+jmp +436
+jmp +458
+acc -7
+acc -2
+acc -17
+jmp +454
+acc +37
+jmp +212
+acc +6
+acc +5
+acc -7
+jmp +104
+acc +5
+nop +134
+acc +46
+jmp +541
+acc +4
+acc +46
+acc +18
+jmp -53
+acc +10
+jmp +285
+acc +39
+acc +34
+nop +109
+acc +47
+jmp +32
+jmp +1
+jmp +143
+acc +36
+jmp +429
+acc +45
+acc +22
+jmp -59
+acc +0
+acc +23
+acc +30
+acc -7
+jmp -45
+acc +46
+acc +31
+jmp +164
+acc +37
+acc +34
+acc +40
+acc -1
+jmp +246
+nop -46
+acc +2
+acc +31
+jmp +221
+nop +413
+jmp -51
+acc -14
+jmp +145
+acc +1
+nop +77
+jmp +131
+jmp +370
+nop +513
+acc +7
+jmp +476
+acc +22
+acc +37
+acc +44
+jmp +334
+acc +9
+acc -1
+acc +5
+acc +27
+jmp +351
+acc +31
+jmp +220
+nop -61
+acc +34
+jmp +504
+nop +471
+acc +6
+acc +48
+jmp -17
+jmp +217
+acc +13
+acc +0
+acc +25
+jmp +144
+acc -5
+acc +17
+nop +341
+jmp -26
+acc -10
+acc +34
+jmp +168
+nop -16
+acc -6
+acc -10
+acc +38
+jmp +30
+acc -2
+acc -14
+jmp +419
+acc +40
+acc -17
+acc +27
+acc +8
+jmp +101
+nop +370
+acc +2
+acc -10
+acc -7
+jmp +224
+nop +437
+acc +42
+acc +50
+acc +39
+jmp +81
+jmp +11
+jmp +143
+acc +6
+acc +46
+jmp -107
+acc +13
+jmp -109
+acc +5
+jmp +1
+jmp +467
+jmp -159
+nop +421
+jmp +243
+acc +44
+nop +412
+acc -6
+acc +13
+jmp +56
+acc -12
+acc +18
+jmp +313
+nop +151
+acc +5
+acc +49
+jmp +120
+acc +46
+acc +23
+nop -122
+acc +21
+nop -55
+acc -15
+jmp -115
+acc +19
+nop +116
+acc +32
+acc +21
+jmp +16
+acc +27
+acc +32
+jmp +359
+acc +16
+acc +18
+acc +15
+jmp +54
+nop +182
+acc +4
+jmp +361
+acc +4
+acc +38
+acc +49
+jmp -94
+jmp +428
+acc +0
+acc +9
+jmp +224
+jmp +82
+nop +57
+acc +6
+jmp +1
+jmp +144
+jmp +20
+jmp +265
+jmp +402
+nop +114
+acc -12
+acc -11
+acc +1
+jmp +412
+nop -163
+acc +50
+acc +1
+acc -9
+jmp -20
+acc +10
+acc +6
+jmp +323
+acc +10
+jmp +1
+acc +42
+jmp +46
+acc +35
+acc +31
+jmp -139
+jmp +129
+jmp -193
+acc -4
+nop +247
+nop -163
+acc +25
+jmp -26
+acc +34
+acc +26
+acc +40
+jmp +220
+acc -6
+acc +6
+jmp +311
+acc +0
+acc +14
+acc +41
+acc +6
+jmp +284
+acc +32
+jmp -13
+nop +157
+acc -4
+acc +47
+jmp -146
+acc +34
+acc +6
+nop +196
+acc +5
+jmp +268
+acc -8
+jmp -176
+acc +34
+acc +17
+jmp +1
+jmp +114
+acc +32
+acc +39
+nop +313
+acc +38
+jmp -237
+jmp -273
+acc +21
+acc +26
+acc +31
+jmp -231
+acc +17
+jmp -105
+nop +333
+nop +17
+jmp +11
+acc -9
+acc +2
+jmp -162
+acc +3
+acc +0
+nop +318
+jmp +215
+acc +14
+acc +32
+jmp -196
+jmp +33
+acc -6
+acc +45
+acc +27
+jmp -166
+acc -1
+jmp -25
+acc +0
+acc +4
+acc -14
+acc +0
+jmp -115
+nop +118
+acc +28
+nop +175
+acc +45
+jmp -97
+jmp +78
+jmp -284
+acc +35
+nop -248
+acc -18
+acc -6
+jmp -308
+jmp -95
+acc -2
+acc +0
+jmp +255
+acc +7
+jmp -24
+acc +17
+acc +20
+jmp -220
+jmp +172
+acc +40
+acc +39
+acc +19
+jmp -238
+nop +44
+nop -99
+nop +238
+jmp +195
+acc -14
+acc +36
+acc +40
+acc -11
+jmp -65
+nop -54
+nop +47
+acc -11
+jmp +18
+jmp +98
+jmp +252
+nop -1
+acc +1
+acc +10
+jmp -4
+jmp -319
+jmp -46
+acc -8
+acc +50
+acc +43
+jmp -174
+acc +22
+acc +4
+acc +32
+acc -6
+jmp +73
+acc +8
+jmp -31
+acc +16
+nop +11
+acc +26
+jmp -98
+acc -11
+acc +40
+jmp +101
+acc +28
+acc +30
+acc -16
+acc +7
+jmp +239
+jmp -179
+acc +47
+acc +15
+acc +42
+acc +26
+jmp +30
+acc +17
+acc +3
+acc -5
+nop -98
+jmp -236
+acc +2
+jmp +196
+acc +39
+acc -14
+acc +36
+acc +49
+jmp +189
+jmp +235
+acc +27
+acc -2
+acc +16
+acc +40
+jmp -81
+acc -5
+acc +17
+acc -1
+jmp +1
+jmp -129
+nop -171
+acc +47
+jmp +169
+acc -16
+acc -5
+jmp +172
+nop -84
+acc +8
+acc +40
+acc +43
+jmp -33
+acc +39
+nop -12
+jmp +53
+acc +36
+jmp -270
+acc +17
+acc -1
+jmp -255
+acc +0
+acc -12
+jmp -371
+jmp -216
+acc +45
+acc -18
+acc +23
+acc -17
+jmp -37
+jmp -386
+nop -302
+acc -19
+acc -16
+jmp -297
+acc -18
+acc -7
+acc +17
+acc +17
+jmp -173
+jmp +114
+acc +4
+acc +19
+nop -296
+jmp -36
+acc -18
+acc -14
+acc +6
+nop -27
+jmp -101
+acc +15
+nop -407
+jmp +44
+acc -18
+acc -6
+acc +33
+acc +36
+jmp +80
+acc +43
+jmp +73
+acc -2
+acc +7
+acc +4
+jmp -10
+acc +46
+nop -49
+acc +7
+jmp +65
+acc +24
+jmp +144
+acc +13
+acc +26
+jmp -351
+jmp +1
+acc +34
+nop +62
+jmp -363
+acc -4
+acc -5
+jmp +23
+jmp +82
+acc -7
+acc -7
+acc +15
+jmp -468
+acc +7
+nop -423
+jmp -178
+nop -425
+acc +23
+jmp -181
+acc +6
+acc -11
+jmp -321
+acc +3
+jmp -122
+acc +12
+jmp +44
+acc -5
+acc -16
+acc +16
+jmp -281
+acc +33
+acc -4
+acc +15
+jmp +9
+jmp +63
+acc +35
+nop -12
+acc +25
+acc -10
+jmp -452
+acc +1
+jmp -148
+acc +8
+acc +40
+acc +48
+jmp +2
+jmp -315
+nop -325
+acc -4
+acc +16
+acc -4
+jmp -369
+acc +21
+acc +3
+jmp -153
+nop -25
+acc +0
+jmp -84
+acc +32
+jmp +19
+acc -18
+acc -1
+jmp -385
+jmp +1
+jmp -357
+acc -13
+acc -13
+jmp -360
+jmp -393
+acc +4
+nop -102
+jmp -316
+jmp -248
+acc +4
+nop -487
+jmp -339
+acc +3
+jmp -190
+acc +24
+acc +31
+jmp -166
+jmp -482
+acc +22
+acc +32
+jmp -290
+acc +22
+acc +48
+acc +5
+acc -6
+jmp -330
+nop -203
+acc +7
+acc +1
+jmp -287
+acc +15
+acc +3
+jmp -230
+acc +37
+nop -162
+jmp +33
+jmp -147
+acc +16
+acc +39
+acc +49
+jmp -560
+acc +26
+jmp +26
+jmp -283
+jmp -486
+acc -9
+jmp +1
+acc +25
+acc +1
+jmp -514
+acc +46
+jmp -166
+acc -5
+acc +35
+nop -204
+jmp -175
+nop -30
+nop +11
+jmp -400
+acc +15
+acc -7
+acc -1
+jmp +18
+acc +31
+acc +16
+acc +43
+acc +33
+jmp -260
+acc +1
+acc +23
+acc +25
+acc -1
+jmp -200
+acc -15
+jmp -314
+jmp -238
+jmp -75
+jmp -192
+acc +30
+jmp -525
+acc -14
+jmp +17
+acc +7
+acc +9
+acc -6
+nop -312
+jmp -559
+acc +28
+jmp -305
+jmp -239
+acc +0
+acc -5
+acc +9
+jmp -471
+nop -327
+acc -5
+acc -19
+jmp -496
+acc +17
+jmp +1
+jmp +1
+acc +29
+jmp +1
diff --git a/08/test b/08/test
new file mode 100644
index 0000000..178df53
--- /dev/null
+++ b/08/test
@@ -0,0 +1,9 @@
+nop +0
+acc +1
+jmp +4
+acc +3
+jmp -3
+acc -99
+acc +1
+jmp -4
+acc +6