diff --git a/day04/input.txt b/day04/input.txt
new file mode 100644
index 0000000..61150ac
--- /dev/null
+++ b/day04/input.txt
@@ -0,0 +1,512 @@
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diff --git a/day04/part1.js b/day04/part1.js
new file mode 100644
index 0000000..fa682e7
--- /dev/null
+++ b/day04/part1.js
@@ -0,0 +1,3 @@
+var input = require("fs").readFileSync("input.txt").toString();
+var lines = input.split("\n").filter((a)=>(a)).map((line)=>(line.split(" ").map((a)=>(line.split(" ").filter((b)=>(b == a)).length == 1)).reduce((a, b)=>(a && b),true))).filter((a)=>(a));
+console.log(lines.length);
diff --git a/day04/part2.js b/day04/part2.js
new file mode 100644
index 0000000..0b6be3a
--- /dev/null
+++ b/day04/part2.js
@@ -0,0 +1,3 @@
+var input = require("fs").readFileSync("input.txt").toString();
+var lines = input.split("\n").filter((a)=>(a)).map((line)=>(line.split(" ").map((a)=>(line.split(" ").filter((b)=>(b.split("").sort().join("") == a.split("").sort().join(""))).length == 1)).reduce((a, b)=>(a && b),true))).filter((a)=>(a));
+console.log(lines.length);
diff --git a/day05/input.txt b/day05/input.txt
new file mode 100644
index 0000000..6e940c9
--- /dev/null
+++ b/day05/input.txt
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diff --git a/day05/part1.js b/day05/part1.js
new file mode 100644
index 0000000..7ee4d45
--- /dev/null
+++ b/day05/part1.js
@@ -0,0 +1,11 @@
+var offsets = require("fs").readFileSync("input.txt").toString().split("\n").filter((a)=>(a)).map((a)=>(parseInt(a)));
+
+var pc = 0;
+var i = 0;
+while(offsets[pc] != null){
+	i++;
+	var oldpc = pc;
+	pc += offsets[pc];
+	offsets[oldpc]++
+}
+console.log(i);
diff --git a/day05/part2.js b/day05/part2.js
new file mode 100644
index 0000000..3716d5d
--- /dev/null
+++ b/day05/part2.js
@@ -0,0 +1,16 @@
+var offsets = require("fs").readFileSync("input.txt").toString().split("\n").filter((a)=>(a)).map((a)=>(parseInt(a)));
+
+var pc = 0;
+var i = 0;
+while(offsets[pc] != null){
+	i++;
+	var oldpc = pc;
+	pc += offsets[pc];
+	if(offsets[oldpc] >= 3){
+		offsets[oldpc]--;
+	}
+	else{
+		offsets[oldpc]++
+	}
+}
+console.log(i);
diff --git a/day06/input.txt b/day06/input.txt
new file mode 100644
index 0000000..32e8d7e
--- /dev/null
+++ b/day06/input.txt
@@ -0,0 +1 @@
+11	11	13	7	0	15	5	5	4	4	1	1	7	1	15	11
diff --git a/day06/part1.js b/day06/part1.js
new file mode 100644
index 0000000..1127d9f
--- /dev/null
+++ b/day06/part1.js
@@ -0,0 +1,29 @@
+function redistribute(arr){
+	var max = Math.max.apply(null, arr);
+	var maxPos = arr.indexOf(max);
+	var toAdd = Math.floor(max / (arr.length-1));
+	var left = max % (arr.length-1);
+	if(toAdd == 0){
+		left = 0;
+		for(var i = 1; i <= max; i++){
+			arr[(i + maxPos)%(arr.length)] += 1;
+		}
+		arr[maxPos] = 0;
+	}
+	else{
+		arr = arr.map((a)=>(a+toAdd));
+		arr[maxPos] = left;
+	}
+	return arr;
+}
+
+var states = [];
+var state = require("fs").readFileSync("input.txt").toString().split("\t").map((a)=>(parseInt(a)));
+var i = 0;
+while(states.indexOf(state.join(",")) == -1){
+	console.log(state, i);
+	states.push(state.join(","));
+	i++;
+	state = redistribute(state);
+}
+console.log(state,i);
diff --git a/day06/part2.js b/day06/part2.js
new file mode 100644
index 0000000..859f719
--- /dev/null
+++ b/day06/part2.js
@@ -0,0 +1,29 @@
+function redistribute(arr){
+	var max = Math.max.apply(null, arr);
+	var maxPos = arr.indexOf(max);
+	var toAdd = Math.floor(max / (arr.length-1));
+	var left = max % (arr.length-1);
+	if(toAdd == 0){
+		left = 0;
+		for(var i = 1; i <= max; i++){
+			arr[(i + maxPos)%(arr.length)] += 1;
+		}
+		arr[maxPos] = 0;
+	}
+	else{
+		arr = arr.map((a)=>(a+toAdd));
+		arr[maxPos] = left;
+	}
+	return arr;
+}
+
+var states = [];
+var state = require("fs").readFileSync("input.txt").toString().split("\t").map((a)=>(parseInt(a)));
+var i = 0;
+while(states.indexOf(state.join(",")) == -1){
+	console.log(state, i);
+	states.push(state.join(","));
+	i++;
+	state = redistribute(state);
+}
+console.log(i - states.indexOf(state.join(",")));