Task: Program Execution
Input (English): 6453, 513, c, 3265, a, R, r, 9221, 4541, 7939, u, u, V, I, a, 189, 6267, a, 6529, z, 8715, 2621
Output (English): 6453, 513, 3265, 9221, 4541, 7939, 189, 6267, 6529, 8715, 2621