Task: Program Execution
Input (English): k T 5307 2715 9261 P 4081 y o 979 G 5609 293 7041 X S b 645 a 5547 3277 8761 3931 o i k O 1823 5671 Z k 1533 N x d c 9703 x 9489 s
Output (English): 1, 2, 6, 8, 9, 11, 15, 16, 17, 19, 24, 25, 26, 27, 30, 31, 33, 34, 35, 36, 38, 40