Task: Program Execution
Input (English): 13, 19, ['r', 'U', '6577', 'I', '6747', 'o', 'l', 'z', 'e', '9375', '3131', '4891', 'C', 'F', 'm', '4201', 'Y', 'q', 'S', 'u', 'q', '307', 'J', 'k', '9201']
Output (English): S, q, Y, 4201, m, F, C