Task: Program Execution
Input (English): 1, 7, ['b', '5691', 'k', 'u', 'P', 'b', '4411', 'B', '541', 'p', 'J', '3791', '9151', '2859', '6089', 'm', '5183', 'U', 'L', '1807', 'G', 'z', 'K', '3073']
Output (English): b, B, 6089, z