Task: Program Execution
Input (English): e 711 3103 B 3781 L d 9767 X 4507 8349 k i z 3135 9875 2627 6609 W G 2363 2461 M n 8919 8243 8721 5429
Output (English): 1, 4, 6, 7, 9, 12, 13, 14, 19, 20, 23, 24