Task: Program Execution
Input (English): 1781, 7521, 9735, 623, 4705, a, F, 109, 9451, O, Q, 6673, 4749, x, 3131, 859, v, 4245, 5639, 5435, a
Output (English): a, F, O, Q, x, v, a, 1781, 7521, 9735, 623, 4705, 109, 9451, 6673, 4749, 3131, 859, 4245, 5639, 5435