Task: Program Execution
Input (English): y 515 q 3787 I s 569 e 5499 5545 P 3375 i T 2851 n 5935 r b 4165 93 3997 x 4401 707 z j B 363 701 841 5941 r R O G 3543 9883 7549
Output (English): 2, 4, 7, 9, 10, 12, 15, 17, 20, 21, 22, 24, 25, 29, 30, 31, 32, 37, 38, 39