Task: Program Execution
Input (English): 7321, 8239, K, 4179, r, S, z, Z, 3593, 5841, L, 7447, W, 5341, 3967, 8249, l, j, S, Z, 4589, P, 8043, I
Output (English): 7321, 8239, 4179, 3593, 5841, 7447, 5341, 3967, 8249, 4589, 8043