Task: Program Execution
Input (English): 6489, u, 4239, 9527, 6235, 4419, b, 9569, 7631, 7145, 9587, 8515, 519, 2925, e, 9209
Output (English): 6489, 4239, 9527, 6235, 4419, 9569, 7631, 7145, 9587, 8515, 519, 2925, 9209