Task: Program Execution
Input (English): 231 y X 2379 s S 3759 3795 a 5061 4641 4059 Z w 1345 R 1877 2643 E E 9465 4741 5609 g M 7541 431 8907 3633 B 881 M 8645 6785 F H 7899
Output (English): 1, 4, 7, 8, 10, 11, 12, 15, 17, 18, 21, 22, 23, 26, 27, 28, 29, 31, 33, 34, 37