Task: Program Execution
Input (English): 761 1749 l Y 5231 N 8397 l U i 9399 6381 k Y 2967 T u Y P W I Z 5665 1665 7455 V M 1869 U 6867 L n q 5393 6153
Output (English): 3, 4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 26, 27, 29, 31, 32, 33