Task: Program Execution
Input (English): 5, 6, ['w', 'w', 'z', 'a', 'r', '8531', '4587', '5315', 'G', '791', 'o', '5837', 'k', '1491', '8171', 'n', 'O', '1497', '9573', '3361', 'W', '989']
Output (English): 8531