#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;
}