Task: Program Execution
Input (English): S 6487 8389 K 6977 7009 6709 D Y 825 7437 y K 6933 k 6803 7011 C 7197 555 8109 a 5319 i z 6163 9089
Output (English): 2, 3, 5, 6, 7, 10, 11, 14, 16, 17, 19, 20, 21, 23, 26, 27