Task: Program Execution
Input (English): 7391 i o P E 1179 6349 l X h y q 7823 W 2661 U 7665 z U O v 1989 6969 3107 1993 5557 7161 9819 4333 919 7333 8787 8403 U 11 g 4145 E 2323
Output (English): 2, 3, 4, 5, 8, 9, 10, 11, 12, 14, 16, 18, 19, 20, 21, 34, 36, 38