Task: Program Execution
Input (English): y, 2521, 8181, x, D, B, 9281, 1737, 9213, y, S, k, H, T, 5765, 4079, C, 1847, l, E, 2391, 3377, 7575, T
Output (English): 2521, 8181, 9281, 1737, 9213, 5765, 4079, 1847, 2391, 3377, 7575