11
100
9999

22
no
43

（a+b)n次方＝C(n,0)a(n次方)+C(n,1)a（n-1次方）b（1次方）+…+C（n,r）a(n-r次方)b(r次方)+…+C(n,n)b(n次方)(n∈N*) 

#include<iostream>
using namespace std;
int main()
{
    int k,a,i;
    while(scanf("%d",&k)!=EOF)
    {
        int flag=0;
        for(i=0;i<=10000;i++)
        {
            if((18+k*i)%65==0)
            {
                a=i;
                flag=1;
                break;
            }
        }
        if(flag==0)
            cout<<"no"<<endl;
        else
            cout<<a<<endl;
    }
    return 0;
}