Task: Program Execution
Input (English): 6689 7019 G 5551 6861 Z F 2651 E 3811 r Q 3981 k r 2931 f 4073 1737 7073 B U c I y o 7567 Q D Q h 9037 8079 U g R k 7779 3007
Output (English): 3, 6, 7, 9, 11, 12, 14, 15, 17, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 34, 35, 36, 37