diff --git a/2024/22/main.py b/2024/22/main.py
new file mode 100644
index 0000000..3de8b9a
--- /dev/null
+++ b/2024/22/main.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8; py-indent-offset: 4 -*-
+
+# Author: Sebastian Mark
+# CC-BY-SA (https://creativecommons.org/licenses/by-sa/4.0/deed.de)
+
+# pylint: disable=missing-module-docstring,missing-function-docstring,consider-using-f-string
+
+
+def readinput():
+    with open("input", "r", encoding="utf-8") as file:
+        lines = [int(line.strip()) for line in file.readlines()]
+    return lines
+
+
+def mix_and_prune(i: int, j: int) -> int:
+    return (i ^ j) % 16777216
+
+
+def calc_number(num: int) -> int:
+    for _ in range(2000):
+        # step 1
+        tmp = num * 64
+        num = mix_and_prune(num, tmp)
+
+        # step 2
+        tmp = num // 32
+        num = mix_and_prune(num, tmp)
+
+        # step 3
+        tmp = num * 2048
+        num = mix_and_prune(num, tmp)
+
+    return num
+
+
+def main():
+    intial_numbers = readinput()
+
+    # part 1
+    new_numbers = {}
+    for num in intial_numbers:
+        new_numbers[num] = calc_number(num)
+    print("Sum: %d" % sum(new_numbers.values()))
+
+
+if __name__ == "__main__":
+    main()