diff --git a/2021/data/day10.expected b/2021/data/day10.expected
new file mode 100644
index 0000000..a97bca1
--- /dev/null
+++ b/2021/data/day10.expected
@@ -0,0 +1,2 @@
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+3015539998
diff --git a/2021/data/day10.input b/2021/data/day10.input
new file mode 100644
index 0000000..b03436d
--- /dev/null
+++ b/2021/data/day10.input
@@ -0,0 +1,110 @@
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