Task: Program Execution
Input (English): z, o, V, Z, e, b, U, W, W, X, 5557, 3157, 2447, 3729, 2007, 5711, 8643, 8539, W
Output (English): z, o, V, Z, e, b, U, W, W, X, W, 5557, 3157, 2447, 3729, 2007, 5711, 8643, 8539