In England, there is a nice cottage with a large garden where lives an old man. The1where bees and butterflies dance and gorgeous flowers2all year around is so well-tended that every passer-by cannot but stop for a3.

    One day a young painter4this garden and he was totally lost in admiration at its beauty5how happy he could be if he lived in such a6place. Then, suddenly he found the old gardener was blind.7 the painte8that old man, asking “Why are you busy9these flowers which you can't see as a matter of fact?” The blind gardener said10 “I can tell you four reasons. First, I was a gardener when I was young, and I really like this job. Second11I can't see these flowers, I can touch them. Third, I can12he sweetness of them. As to the last one, that's you.”

     “Me?13you don't know me.” responded the painter.

    "Yeah. But I know flowers are angels which everyone knows and would14turn them down. People who love life would stop by and thi15prospect would have their eyes16and hearts pleased. Mean while, it also extends a17to me to have a word with you here.”

    Actually, the blind man18flowers in his heart. Failing the19of the beauty of blossoming, he surely can20he voice of it, I suppose.

如图程序框图是为了求出满足3ⁿ﹣2ⁿ＞1000的最小偶数n，那么在 和 两个空白框中，可以分别填入（　　）