In the only line print "YES" if he can choose exactly three line segments and form a non-degenerate triangle with them, and "no" otherwise.

问你能否从n个数字中抽出来三个，使得可以构成不退化的三角形。

youdao

And for that purpose as well, if it can be delivered to them through PDF or through a download they can choose to print out themselves or that they can carry it with them in another form they can use it that way as well.

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