diff --git a/2021/day01.js b/2021/day01.js
new file mode 100644
index 0000000..09d7737
--- /dev/null
+++ b/2021/day01.js
@@ -0,0 +1,4 @@
+let total = 0;
+$("pre").innerText.trim().split("\n").map(el => Number(el)).map((el, index, array) => el + array[index+1] + array[index+2]).reduce((prev, current) => {if (prev < current) {total += 1} return current});
+console.log(total);
+
diff --git a/2021/day02.ods b/2021/day02.ods
new file mode 100644
index 0000000..8709859
Binary files /dev/null and b/2021/day02.ods differ