две окружности

#include <iostream>
using namespace std;
int main()
{
    int x1,y1,r1,x2,y2,r2;
    cin>>x1>>y1>>r1>>x2>>y2>>r2;
    int distance=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
    if(distance<=(r1+r2)*(r1+r2))cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    return 0;
}