diff --git a/day1/day1.py b/day1/day1.py
new file mode 100644
index 0000000..2123615
--- /dev/null
+++ b/day1/day1.py
@@ -0,0 +1,21 @@
+#! /usr/bin/env python3
+from itertools import product
+
+
+def part1(inp):
+    inp = [int(x) for x in inp]
+    result_pairs = [x for x in list(product(inp, inp)) if sum(x) == 2020]
+    print(result_pairs)
+    print(result_pairs[0][0] * result_pairs[0][1])
+
+
+def part2(inp):
+    inp = [int(x) for x in inp]
+    result_pairs = [x for x in list(product(inp, repeat=3)) if sum(x) == 2020]
+    print(result_pairs)
+    print(result_pairs[0][0] * result_pairs[0][1] * result_pairs[0][2])
+
+
+if __name__ == "__main__":
+    with open("input.txt") as f:
+        part2(f.readlines())
diff --git a/day1/input.txt b/day1/input.txt
new file mode 100644
index 0000000..5e3f00a
--- /dev/null
+++ b/day1/input.txt
@@ -0,0 +1,200 @@
+1975
+1446
+1902
+1261
+1783
+1535
+1807
+1606
+1685
+1933
+1930
+1813
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+1515