Task: Program Execution
Input (English): 3943 4737 M v 8085 2603 2921 8615 5527 7849 i r 7971 P 2577 a A 9717 W 1069 k 1295 7767 v 5163 7033 a L H J V J c
Output (English): 1, 2, 5, 6, 7, 8, 9, 10, 13, 15, 18, 20, 22, 23, 25, 26