Task: Program Execution
Input (English): 2505 5467 i 7603 623 f 2367 3585 5113 2569 z a i 4713 8131 N P Y T m 4883 p 6865 8475 9845 q L V U E
Output (English): 1, 2, 4, 5, 7, 8, 9, 10, 14, 15, 21, 23, 24, 25