Task: Program Execution
Input (English): u 4097 5127 5939 563 9651 x a 7411 265 5591 W 4663 W 4865 l 9129 i a v 7019 9763 8777 f L V 5115
Output (English): 1, 7, 8, 12, 14, 16, 18, 19, 20, 24, 25, 26