Task: Program Execution
Input (English): 16, 18, ['o', '3669', 'M', 'M', 'R', 'r', 'o', 'P', 'q', '9939', '1807', 'F', 'J', 'a', '7773', 'I', 'A', '475', 'W', 'E', '417']
Output (English): 475