Task: Program Execution
Input (English): 7957, K, Z, B, 243, 2035, 9205, l, 4669, 9267, 1743, I, 1449, E, 9849, 5943, 2637, z, K, 1541
Output (English): 7957, 243, 2035, 9205, 4669, 9267, 1743, 1449, 9849, 5943, 2637, 1541