Task: Program Execution
Input (English): 6729 Y 8959 N i l 6799 E t g Y q 5839 9929 7073 D 1225 251 9877 4459 x 8689 523 J b 6641 9283 8835 9371
Output (English): 2, 4, 5, 6, 8, 9, 10, 11, 12, 16, 21, 24, 25