Task: Program Execution
Input (English): K 8871 4689 4483 5551 8481 3427 O G X 5715 2381 8751 e I m L 4415 D O M P 4217 9123 8931 C o
Output (English): 2, 3, 4, 5, 6, 7, 11, 12, 13, 18, 23, 24, 25