Task: Program Execution
Input (English): E 3227 917 L d r 7101 3377 g x 5959 9607 R 4617 a 9549 j Q i 3445 7391 3311 M t T 2995 4813 829 Y J X u v
Output (English): 1, 4, 5, 6, 9, 10, 13, 15, 17, 18, 19, 23, 24, 25, 29, 30, 31, 32, 33