Task: Program Execution
Input (English): 8673 y F 6635 L M p 5481 9377 6851 x A H 3539 6785 w 663 7451 4903 E z 4911 8857 L 5071
Output (English): 2, 3, 5, 6, 7, 11, 12, 13, 16, 20, 21, 24