答え
dhs(6, 7, 0)＝0dhs(6, 7, 1)＝0dhs(6, 7, 2)＝1dhs(6, 7, 3)＝1dhs(6, 7, 4)＝1dhs(6, 7, 5)＝1dhs(6, 7, 6)＝1dhs(6, 7, 7)＝1
