Task: Program Execution
Input (English): 8143, P, x, 9687, K, 9099, X, 3661, a, u, 4691, 6045, 6665, O, 3607, 2071, o, 6865, 9557
Output (English): P, x, K, X, a, u, O, o, 8143, 9687, 9099, 3661, 4691, 6045, 6665, 3607, 2071, 6865, 9557