Task: Program Execution
Input (English): 1981 359 8273 6789 7911 F 4121 D F J 7295 6443 6547 8329 6013 g 7687 Z C 1335 1949 6213 p A 8671 i 9913 X 7487 w 8665 M k F R w Y Q T g
Output (English): 6, 8, 9, 10, 16, 18, 19, 23, 24, 26, 28, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40