Task: Program Execution
Input (English): f, 5801, 7537, 1717, 4409, 7657, 9763, Y, 1421, T, p, 5295, 8411, 7663, 9393, 8451
Output (English): f, Y, T, p, 5801, 7537, 1717, 4409, 7657, 9763, 1421, 5295, 8411, 7663, 9393, 8451