Task: Program Execution
Input (English): 6721 a m 1257 E B N U 9225 5587 5381 J 4955 7275 R 9319 R 5405 6913 E I n w Y A a 3831
Output (English): 2, 3, 5, 6, 7, 8, 12, 15, 17, 20, 21, 22, 23, 24, 25, 26