Task: Program Execution
Input (English): 9499 p 1425 y Z W 9797 5441 G N 21 r a 7285 B R I 6891 1501 3441 f P V m 7073 2757 G 3633 4119 9739 h 1471 Z v
Output (English): 2, 4, 5, 6, 9, 10, 12, 13, 15, 16, 17, 21, 22, 23, 24, 27, 31, 33, 34