Task: Program Execution
Input (English): 15, 17, ['h', 'z', '9803', '7829', 'r', 'R', 'u', '8989', 'E', '1219', '221', 'v', '2667', 'Z', 'p', 'e', 'f', '6073', '6753', '4837', '453', '429']
Output (English): fep