Task: Program Execution
Input (English): 1683, 9311, F, 5523, A, 1263, N, v, 1377, 4223, 5717, f, 1669, n, 767, 6061, 5639, 7317, 1355, 3307, 4331, K, G
Output (English): F, A, N, v, f, n, K, G