Task: Program Execution
Input (English): 6191 j y n 2399 7979 2939 4255 N 5533 3727 419 Z 2547 717 5017 7893 Z C 4211 V R 3901 B V L
Output (English): 1, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 23