Task: Program Execution
Input (English): F, t, 8197, 919, R, 2659, 5743, Q, 1097, 5637, 8031, G, G, B, 7877, J, 2061, O, F, O, 5393, 2891, B
Output (English): 1, 2, 5, 8, 12, 13, 14, 16, 18, 19, 20, 23