Task: Program Execution
Input (English): f Q 7393 9891 p h O 5181 9483 D y w 4315 r P 5185 5257 X 569 r z J 7429 5133 977 9699 D 1223 o f L 7263 P K 4671 q x 2619 6413
Output (English): 3, 4, 8, 9, 13, 16, 17, 19, 23, 24, 25, 26, 28, 32, 35, 38, 39