Task: Program Execution
Input (English): X, 5311, 4501, e, 5935, R, a, 6337, G, 2141, 2093, e, 9985, 2675, B, H, 5931, U, 7441, 5019, Z, 8421
Output (English): X, e, R, a, G, e, B, H, U, Z, 5311, 4501, 5935, 6337, 2141, 2093, 9985, 2675, 5931, 7441, 5019, 8421