Task: Program Execution
Input (English): 5, 6, ['53', 'M', '43', '6543', '3687', '4155', '1995', '295', '5795', '5039', 'S', 'c', 'n', 'n', '3099', 'v', 'Y', 's', '1561', '3273', 'K', '3211', 'I', '1391', '8765']
Output (English): 3687, S, Y, I