diff --git a/day18/part1.js b/day18/part1.js
new file mode 100644
index 0000000..0df15dc
--- /dev/null
+++ b/day18/part1.js
@@ -0,0 +1,7 @@
+nextline = (line)=>(line.split("").map((char, i, arr)=>([arr[i-1], arr[i], arr[i+1]]).map((char)=>(char ? char : ".")).join("")).map((str)=>(["^^.", ".^^", "..^", "^.."].indexOf(str) != -1)).map((trap)=>(trap ? "^" : ".")).join(""));
+
+var lines = [".^^^^^.^^^..^^^^^...^.^..^^^.^^....^.^...^^^...^^^^..^...^...^^.^.^.......^..^^...^.^.^^..^^^^^...^."];
+while(lines.length < 40){
+	lines.push(nextline(lines[lines.length - 1]));
+}
+console.log(lines.map((line)=>(line.replace(/\^/g, ""))).join("").length);
diff --git a/day18/part2.js b/day18/part2.js
new file mode 100644
index 0000000..91bd499
--- /dev/null
+++ b/day18/part2.js
@@ -0,0 +1,7 @@
+nextline = (line)=>(line.split("").map((char, i, arr)=>([arr[i-1], arr[i], arr[i+1]]).map((char)=>(char ? char : ".")).join("")).map((str)=>(["^^.", ".^^", "..^", "^.."].indexOf(str) != -1)).map((trap)=>(trap ? "^" : ".")).join(""));
+
+var lines = [".^^^^^.^^^..^^^^^...^.^..^^^.^^....^.^...^^^...^^^^..^...^...^^.^.^.......^..^^...^.^.^^..^^^^^...^."];
+while(lines.length < 400000){
+	lines.push(nextline(lines[lines.length - 1]));
+}
+console.log(lines.map((line)=>(line.replace(/\^/g, ""))).join("").length);