POJ 3210 ： Coins

参考：https://blog.csdn.net/u010885899/article/details/46636523

http://kqwd.blog.163.com/blog/static/4122344820091041127552/

https://blog.csdn.net/nanchengbian/article/details/9077869

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main()
{
    int n;
    while (cin>>n&&n)
    {
        if (n&1)//判断奇数
        {
            cout<<n-1<<endl;
        }
        else
        {
            cout<<"No Solution!"<<endl;
        }
    }

    return 0;
}