Task: Program Execution
Input (English): b 1507 u X 1877 O G 7627 r g 957 M o f 9523 o l j 2119 7791 M o H 7807 829 809 5961 n p J P 1983 M 5593 3151 m
Output (English): 2, 5, 8, 11, 15, 19, 20, 24, 25, 26, 27, 32, 34, 35