Task: Program Execution
Input (English): 487, X, f, 3265, i, R, 3709, k, O, v, 1729, 7851, d, b, r, X, 1341, F, 4097, 7177, 7125, 785, 1913, 1647
Output (English): X, f, i, R, k, O, v, d, b, r, X, F, 487, 3265, 3709, 1729, 7851, 1341, 4097, 7177, 7125, 785, 1913, 1647