Task: Program Execution
Input (English): N 833 W O N B I F 3791 2941 397 L 3401 4431 Z z 3349 D 5267 9573 5271 j l f z 2431 g Z
Output (English): 2, 9, 10, 11, 13, 14, 17, 19, 20, 21, 26