Task: Program Execution
Input (English): 13, 20, ['2647', 'L', '577', 'G', '5785', 'L', 'V', '1797', '2807', 'I', 'q', 'Z', 'z', '3895', 'Z', 'B', 'm', 'W', 'm', '7319', '153', 'z', '147', 'I', '9507', 'k', 'x', '1171', '7693', '7413']
Output (English): z3895ZBmWm7319