Task: Program Execution
Input (English): 4751 d 1131 d 1079 g a 9697 473 7615 y E j G a N 7897 169 1279 m R 2993 3653 H M r 3959 2571 G j 153 1365 G f 1593 6501 5561 T z
Output (English): 2, 4, 6, 7, 11, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 29, 30, 33, 34, 38, 39