Task: Program Execution
Input (English): 18, 21, ['a', '221', '469', 'r', 'J', 'P', '1117', 'g', '1337', '8687', '7821', '1517', '8131', '33', '8835', 'D', '1771', 'X', 'Y', '2795', 'D', '5607']
Output (English): X, Y, 2795, D