Task: Program Execution
Input (English): a 6953 8099 C f 2739 s 113 4181 4845 v K k 7873 275 489 1615 5809 2497 z x x 3535 9245 2991 7127 n J 8877 u 2099 1609 6249 3815 H i Q 8581 S
Output (English): 2, 3, 6, 8, 9, 10, 14, 15, 16, 17, 18, 19, 23, 24, 25, 26, 29, 31, 32, 33, 34, 38