Task: Program Execution
Input (English): 7, 8, ['3701', '8523', '5855', 'v', '2935', 'j', '8657', 'x', 'P', 'y', 'i', 'x', '237', 'K', 'n', 'v', 'O', 'C', '3269']
Output (English): 8657x