Task: Program Execution
Input (English): x, 3029, e, N, D, b, 2245, f, 8569, 6995, 2259, 7575, A, S, W, 2131, M, x, 9671, 4637
Output (English): x, e, N, D, b, f, A, S, W, M, x, 3029, 2245, 8569, 6995, 2259, 7575, 2131, 9671, 4637