Task: Program Execution
Input (English): f U 4171 m 6887 Q l n 2207 5929 D 4999 e d T S 5173 8819 1873 T 645 f q 2785 3381 8319 6727 h w f j w K y 6035 L 7151 S 4763
Output (English): 3, 5, 9, 10, 12, 17, 18, 19, 21, 24, 25, 26, 27, 35, 37, 39