Task: Program Execution
Input (English): p y 5817 D 119 G 6605 7537 1971 2979 D W O K t I v 9157 6479 9237 X 3447 A S a 5155 9813 7667
Output (English): 3, 5, 7, 8, 9, 10, 18, 19, 20, 22, 26, 27, 28