Task: Program Execution
Input (English): 1599, U, 7875, 7375, 1889, 5487, g, y, e, e, O, 9103, 4567, F, 8063, W, O, 2963
Output (English): U, g, y, e, e, O, F, W, O, 1599, 7875, 7375, 1889, 5487, 9103, 4567, 8063, 2963