Task: Program Execution
Input (English): A, 5141, 8599, O, 5575, h, 6951, C, 7377, 7359, B, R, 4747, 6215, Z, 6983, 2305, I, 9585
Output (English): 2, 3, 5, 7, 9, 10, 13, 14, 16, 17, 19