Task: Program Execution
Input (English): F, 2737, x, V, f, 8769, 2565, e, S, 9189, 5231, Q, 9283, O, x, 8351, J, 705, 7627, 5801, 2489, r, n, o
Output (English): 1, 3, 4, 5, 8, 9, 12, 14, 15, 17, 22, 23, 24