Task: Program Execution
Input (English): D, 8117, 931, 7359, 631, E, 8195, 5409, W, 6015, 2951, 3875, 8337, 5625, 7037, 4481, v, g, 8281, A, J, 7901, E, f
Output (English): D, E, W, v, g, A, J, E, f