Task: Program Execution
Input (English): 5923 x x c u 1379 q p 7621 6189 8149 r 8095 L 6653 t o i B 4591 l i R T a j p A 7679 5131
Output (English): 1, 6, 9, 10, 11, 13, 15, 20, 29, 30