Task: Program Execution
Input (English): 8339 O 4581 I Y 2831 z e s 3487 l D r 6117 1673 6485 9311 r f 429 2679 K j c 479 6813 2147 3255 L 7725 6537 8047 983 h 45 v 9973 R l 6331
Output (English): 2, 4, 5, 7, 8, 9, 11, 12, 13, 18, 19, 22, 23, 24, 29, 34, 36, 38, 39