Task: Program Execution
Input (English): 1, 13, ['5555', 'b', '9171', '4959', '2385', 'd', '9915', 'G', 'E', '6657', 'o', 'R', 'B', 'u', 'u', '4173', '9013', 'h', '3821', 's', 'o', 'W', 'z', 'c', '2353', '3269', 'P', '3879', 'f']
Output (English): 5555, u, P