Task: Program Execution
Input (English): 1871 F 7895 l v 347 5747 1325 1107 q 2127 S Y 3301 y v X c x l 6019 L a 397 F h
Output (English): 2, 4, 5, 10, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 25, 26