Task: Program Execution
Input (English): 3501, g, Z, Q, 867, 1659, 4049, 7137, r, Q, 1759, W, 667, 1997, D, 3655, h, 2805, R, 5181
Output (English): g, Z, Q, r, Q, W, D, h, R, 3501, 867, 1659, 4049, 7137, 1759, 667, 1997, 3655, 2805, 5181