Task: Program Execution
Input (English): 7545 9181 8167 g q k T s D E 1677 997 T P 7419 7245 9947 y 7733 T 7575 E 815 l l R 5527 2921 4601 691 I 3441 7295 A Z 6399 L 7699 4885
Output (English): 1, 2, 3, 11, 12, 15, 16, 17, 19, 21, 23, 27, 28, 29, 30, 32, 33, 36, 38, 39