Task: Program Execution
Input (English): Q O N 2267 8337 3489 3113 1647 8857 y 4517 w 4541 3243 C 7737 u Q i o t Z X b 1647 i 2973 3489 N 1791 A 5997 1405
Output (English): 4, 5, 6, 7, 8, 9, 11, 13, 14, 16, 25, 27, 28, 30, 32, 33