Task: Program Execution
Input (English): 2293 M l u f i 251 9689 189 8081 6217 6759 O 4687 7341 7175 H 6783 F C 6831 4201 9717 661 8863 9733 2799 7659 6387 2699 8625 m
Output (English): 1, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31