Task: Program Execution
Input (English): 8121 3015 4591 6855 n t H c l Q 6829 A U 5887 y 5525 2203 5249 o s 7219 3615 a D 4337
Output (English): 1, 2, 3, 4, 11, 14, 16, 17, 18, 21, 22, 25