Task: Program Execution
Input (English): 4903 k k f 7113 7535 8577 4201 a Y 933 h 2071 6329 g 7313 U A 5017 1131 3767 D 2227 8073 D 2499 J 1477 6553 I 5489 1637 8103 3041 3535 u o
Output (English): 2, 3, 4, 9, 10, 12, 15, 17, 18, 22, 25, 27, 30, 36, 37