Task: Program Execution
Input (English): 4029 769 5113 8933 X E 4447 y H J U 7571 7243 5243 i b g 9893 N c 3371 4559 4071 923 Y I g C l x u 5987 293
Output (English): 5, 6, 8, 9, 10, 11, 15, 16, 17, 19, 20, 25, 26, 27, 28, 29, 30, 31