Task: Program Execution
Input (English): 7641 3189 1645 3225 b a 3855 6155 2855 g G a 2137 9447 k K C l u 143 4475 6919 2083 R O 9731 8343 T S u 5061 y
Output (English): 5, 6, 10, 11, 12, 15, 16, 17, 18, 19, 24, 25, 28, 29, 30, 32