Task: Program Execution
Input (English): F, 6221, 6329, 5371, 1383, d, y, 1337, b, 6575, 7717, 2065, y, P, 4091, h, 9773, z, p
Output (English): 6221, 6329, 5371, 1383, 1337, 6575, 7717, 2065, 4091, 9773