Task: Program Execution
Input (English): Z a l 5197 W 9897 9309 4119 6609 G g b G O B i 3075 r p 4129 L d R 9967 3473 T 991 2773 s 7333 h H 2385 6661 K o 8001 t
Output (English): 4, 6, 7, 8, 9, 17, 20, 24, 25, 27, 28, 30, 33, 34, 37