Task: Program Execution
Input (English): p, 5959, C, p, 5133, h, 8439, 9521, 739, 8861, 2823, 2261, X, 2869, 7577, u, 2503, 7501
Output (English): 5959, 5133, 8439, 9521, 739, 8861, 2823, 2261, 2869, 7577, 2503, 7501