#include <iostream>
using namespace std;
class cube
{
private:
int h;
int w;
public:
cube(int x,int y):h(x),w(y){}
void compare(cube p)
{
if(this->h>=p.h&&this->w>=p.w||this->h>=p.w&&this->w>=p.h)
{
cout<<"yes"<<endl;
}
else
{
cout<<"no"<<endl;
}
}
};
int main()
{
int a,b,c,d;
cin>>a>>b>>c>>d;
cube p1(a,b);
cube p2(c,d);
p1.compare(p2);
return 0;
}



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