#Lutece1830. 秦队长猜想

秦队长猜想

Migrated from Lutece 1830 秦队长猜想

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Description

title

秦队长猜想:“任何一个大于等于66的整数都能写成三个质数的和。“

现给你一个NN,请你构造三个质数x,y,zx,y,z.使得x+y+z=Nx+y+z=N.

Input

一行,仅一个整数N(6<=N<=109)N( 6 <= N <= 10^{9}).

Output

一行,三个质数x,y,zx,y,z,以空格隔开。

如果有多组解,你只用需输出任意一组解即可。

Samples

8
2 3 3
55
5 19 31

Resources

第九届ACM趣味程序设计竞赛(热身赛)