diff --git a/2021/d02/ex1/ex1.py b/2021/d02/ex1/ex1.py
new file mode 100755
index 0000000..61c98d6
--- /dev/null
+++ b/2021/d02/ex1/ex1.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import itertools
+import sys
+from typing import List
+
+
+def solve(input: List[str]) -> int:
+    x, y = 0, 0
+
+    for instruction in input:
+        dir, length = instruction.split(" ")
+        length = int(length)
+        if dir == "forward":
+            x += length
+        elif dir == "down":
+            y += length
+        elif dir == "up":
+            y -= length
+        else:
+            assert False
+
+    return x * y
+
+
+def main() -> None:
+    input = [line.strip() for line in sys.stdin.readlines()]
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/2021/d02/ex1/input b/2021/d02/ex1/input
new file mode 100644
index 0000000..2652d35
--- /dev/null
+++ b/2021/d02/ex1/input
@@ -0,0 +1,1000 @@
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diff --git a/2021/d02/ex2/ex2.py b/2021/d02/ex2/ex2.py
new file mode 100755
index 0000000..a5a5f3d
--- /dev/null
+++ b/2021/d02/ex2/ex2.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+import itertools
+import sys
+from typing import List
+
+
+def solve(input: List[str]) -> int:
+    x, y, aim = 0, 0, 0
+
+    for instruction in input:
+        dir, length = instruction.split(" ")
+        length = int(length)
+        if dir == "forward":
+            x += length
+            y += length * aim
+        elif dir == "down":
+            aim += length
+        elif dir == "up":
+            aim -= length
+        else:
+            assert False
+
+    return x * y
+
+
+def main() -> None:
+    input = [line.strip() for line in sys.stdin.readlines()]
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/2021/d02/ex2/input b/2021/d02/ex2/input
new file mode 100644
index 0000000..2652d35
--- /dev/null
+++ b/2021/d02/ex2/input
@@ -0,0 +1,1000 @@
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