Task: Program Execution
Input (English): f, 9349, 4593, 9665, 4631, 6437, 4541, p, C, 3171, 4397, a, L, N, Y
Output (English): f, p, C, a, L, N, Y, 9349, 4593, 9665, 4631, 6437, 4541, 3171, 4397