Task: Program Execution
Input (English): W, 6633, I, 2063, e, 5723, Y, d, z, x, a, 3871, 6165, 4855, Y, 6527, y, 8173, Z, T
Output (English): W, I, e, Y, d, z, x, a, Y, y, Z, T, 6633, 2063, 5723, 3871, 6165, 4855, 6527, 8173