diff --git a/day25/input.txt b/day25/input.txt
new file mode 100644
index 0000000..aea63be
--- /dev/null
+++ b/day25/input.txt
@@ -0,0 +1,30 @@
+cpy a d
+cpy 7 c
+cpy 362 b
+inc d
+dec b
+jnz b -2
+dec c
+jnz c -5
+cpy d a
+jnz 0 0
+cpy a b
+cpy 0 a
+cpy 2 c
+jnz b 2
+jnz 1 6
+dec b
+dec c
+jnz c -4
+inc a
+jnz 1 -7
+cpy 2 b
+jnz c 2
+jnz 1 4
+dec b
+dec c
+jnz 1 -4
+jnz 0 0
+out b
+jnz a -19
+jnz 1 -21
diff --git a/day25/part1.js b/day25/part1.js
new file mode 100644
index 0000000..3e101de
--- /dev/null
+++ b/day25/part1.js
@@ -0,0 +1,73 @@
+generateSequence = (avalue)=>{
+	var instructions = [];
+	var registers = {a: avalue, b: 0, c: 0, d: 0};
+	var output = [];
+
+	var instructionSet = {};
+
+	instructionSet.cpy = (a, b)=>{
+	  if(Number.isInteger(parseInt(a))){
+	    registers[b] = parseInt(a);
+	  }
+	  else{
+	    registers[b] = registers[a];
+	  }
+	}
+
+	instructionSet.inc = (a)=>{
+	  registers[a]++;
+	}
+
+	instructionSet.dec = (a)=>{
+	  registers[a]--;
+	}
+
+	instructionSet.jnz = (a, b)=>{
+	  if(((registers[a] != 0) && (a in registers)) || ((parseInt(a) != 0) && (!isNaN(parseInt(a))))){
+	    pc = pc + (parseInt(b) - 1);
+	  }
+	}
+
+	instructionSet.out = (a)=>{
+		//console.log(registers);
+	  output.push(registers[a]);
+	}
+
+	var input = require("fs").readFileSync("input.txt").toString().replace(/\r/g, "");
+	var instructions = input.split("\n").filter((a)=>(a)).map((instruction)=>{
+	  if(instruction.indexOf("cpy") > -1){
+	    var instructionParts = instruction.match("cpy ([^ ]+) ([^ ]+)");
+	    return ["cpy", [instructionParts[1], instructionParts[2]]];
+	  }
+	  if(instruction.indexOf("inc") > -1){
+	    var instructionParts = instruction.match("inc ([^ ]+)");
+	    return ["inc", [instructionParts[1]]];
+	  }
+	  if(instruction.indexOf("dec") > -1){
+	    var instructionParts = instruction.match("dec ([^ ]+)");
+	    return ["dec", [instructionParts[1]]];
+	  }
+	  if(instruction.indexOf("out") > -1){
+	    var instructionParts = instruction.match("out ([^ ]+)");
+	    return ["out", [instructionParts[1]]];
+	  }
+	  if(instruction.indexOf("jnz") > -1){
+	    var instructionParts = instruction.match("jnz ([^ ]+) ([^ ]+)");
+	    return ["jnz", [instructionParts[1], instructionParts[2]]];
+	  }
+	});
+
+	var pc = 0;
+	var i = 0;
+	while(i < 100000){
+		if(pc == 14){
+			console.log("14", registers);
+		}
+	  instructionSet[instructions[pc][0]].apply(null, instructions[pc][1]);
+	  pc++;
+		i++
+	}
+	console.log(registers);
+	return output;
+}
+console.log(generateSequence(196));
diff --git a/day25/test.js b/day25/test.js
new file mode 100644
index 0000000..3e30c65
--- /dev/null
+++ b/day25/test.js
@@ -0,0 +1,12 @@
+var b = 8;
+var a = 0;
+var c = 2;
+while(b != 0){
+  b = b - 1;
+  c = c - 1;
+  if(c == 0){
+    a++;
+    c = 2;
+  }
+}
+console.log(c);
diff --git a/day25/working_1.txt b/day25/working_1.txt
new file mode 100644
index 0000000..dc51f2f
--- /dev/null
+++ b/day25/working_1.txt
@@ -0,0 +1,36 @@
+d = a
+c = 7
+b = 362
+d = d + (b*c)
+b = 0
+c = 0
+IF 0
+a = d
+
+IF NOT 0
+b = a
+a = 0
+c = 2
+while b != 0
+	b = b - 1
+	c = c - 1
+	if c == 0
+		a = a + 1#
+		c = 2
+	end if
+end while
+
+if a odd c = 1
+if a even c = 2
+a = roundDown(a / 2)
+
+
+b = 2
+/*while c != 0
+	b = b - 1
+	c = c - 1
+end if*/
+b = b - c
+c = 0
+output b
+GO BACK UP
diff --git a/day25/working_2.txt b/day25/working_2.txt
new file mode 100644
index 0000000..5db575b
--- /dev/null
+++ b/day25/working_2.txt
@@ -0,0 +1,12 @@
+d = a + (7*362)
+b = 0
+c = 0
+
+(GOTO IF 0)
+a = d
+
+(GOTO IF NOT 0)
+if a odd output 1
+if a even output 0
+a = a / 2
+GOTO with a