Task: Program Execution
Input (English): z q 6989 a f l 7061 w 7681 y 3157 C 4279 3187 p L 9415 g W S 1593 8937 11 e b 9829 J 3985 943 I p 3813 2629 X 2035 I Z 123
Output (English): 3, 7, 9, 11, 13, 14, 17, 21, 22, 23, 26, 28, 29, 32, 33, 35, 38