Task: Program Execution
Input (English): 1235 8373 J 3257 5011 U 7695 x P R 4795 7713 w 1885 O E g m T 4849 G u 7633 7717 5821 j b y w V 7977 2667 6221 9217 9793 W x
Output (English): 3, 6, 8, 9, 10, 13, 15, 16, 17, 18, 19, 21, 22, 26, 27, 28, 29, 30, 36, 37