Task: Program Execution
Input (English): 5523, 2267, y, l, 7491, 1441, 8425, f, 5915, q, i, U, 4945, t, C, S, g, 6781, 4165, 8829
Output (English): 5523, 2267, 7491, 1441, 8425, 5915, 4945, 6781, 4165, 8829