Task: Program Execution
Input (English): A 6731 8145 2165 y b t O 4383 t n 8987 B 7221 657 7647 d p L b 8839 f Z i H c 5439 w U 6493 1363 1855 1733 2479 3077 n v 6037 G
Output (English): 1, 5, 6, 7, 8, 10, 11, 13, 17, 18, 19, 20, 22, 23, 24, 25, 26, 28, 29, 36, 37, 39