Task: Program Execution
Input (English): z, F, 4403, S, O, o, 4333, r, 4409, i, 1635, f, 2413, 8043, 4197, 4147, 219, d, o, K
Output (English): 4403, 4333, 4409, 1635, 2413, 8043, 4197, 4147, 219