Task: Program Execution
Input (English): 1437 9677 1269 7047 M 2491 a a 9721 m 4681 V M R 6483 4261 L 5817 9157 1121 s 3385 5625 5881 403
Output (English): 1, 2, 3, 4, 6, 9, 11, 15, 16, 18, 19, 20, 22, 23, 24, 25