Task: Program Execution
Input (English): 2499 t p 6025 2425 6295 3997 u C 247 i z l w 4227 k p z 8499 4953 M Y 837 i 3781 d
Output (English): 1, 4, 5, 6, 7, 10, 15, 19, 20, 23, 25