Task: Program Execution
Input (English): 6627 59 9471 8277 3383 8349 U 375 f c 9169 4777 5781 1977 u i U X 3495 6251 n 233 L h 8953 6451 L 1043 i 7517
Output (English): 7, 9, 10, 15, 16, 17, 18, 21, 23, 24, 27, 29