Task: Program Execution
Input (English): 17, 17, ['G', '319', 'z', 'W', '4095', '7201', 'J', 'w', '6253', 'A', '89', '2957', '255', '9729', 'q', '601', 'r', '5463', '8601', '8677', '147', 'U', 'X']
Output (English): r