Task: Program Execution
Input (English): 8315 U d 4301 5831 r j O 2171 K 5835 Z Z D X 8927 7109 5701 K s 789 5475 B T B 4467
Output (English): 2, 3, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 23, 24, 25