Task: Program Execution
Input (English): 7257, S, o, z, 8279, 1557, Y, 709, R, 9757, 4341, 4741, 2329, 3543, X, 7231, 6067
Output (English): S, o, z, Y, R, X, 7257, 8279, 1557, 709, 9757, 4341, 4741, 2329, 3543, 7231, 6067