Task: Program Execution
Input (English): U, F, X, 2255, 689, q, 887, 147, A, 9579, C, B, 9015, 9777, 1413, 7541, G, 3765, O, 2305, 4115, 5381
Output (English): 1, 2, 3, 6, 9, 11, 12, 17, 19