Task: Program Execution
Input (English): 18, ['A', '4307', '6637', '8735', 'U', 'E', '1753', '7163', '8583', '127', '9981', 'E', '5325', 'G', 'U', '3417', 'M', '7627', '8857', 'X', '2849', '2073', '477', 'p', '7423', 'T', 'i', 'V', 'D', '7495', '255', 'x', '207', '1991', 'x', 'c', '291']
Output (English): A, 8857, 291