Task: Program Execution
Input (English): 9575 1445 7937 N 2905 7473 5995 7675 6489 U 4593 k 6563 5029 y C 1547 g 9273 m U m 8763 T T 1901 4919 1643 d a Y 4729
Output (English): 4, 10, 12, 15, 16, 18, 20, 21, 22, 24, 25, 29, 30, 31