#include<bits/stdc++.h>
using namespace std;
class rectangle{
private:
int length,width;
public:
void set(int x,int y){
length=x;
width=y;
}
int getlength(){
return length;
}
int getwidth(){
return width;
}
int area(){
return length*width;
}
// write your code here......
string cancover(rectangle &c)
{
string a;
int max1=getlength()>getwidth()?getlength():getwidth();
int min1=getlength()<getwidth()?getlength():getwidth();
int max2=c.getlength()>c.getwidth()?c.getlength():c.getwidth();
int min2=c.getlength()<c.getwidth()?c.getlength():c.getwidth();
if(max1>=max2&&min1>=min2)
a="yes";
else
a="no";
return a;
}
};
int main(){
int l1,w1,l2,w2;
cin>>l1>>w1>>l2>>w2;
rectangle a,b;
a.set(l1,w1);
b.set(l2,w2);
cout<<a.cancover(b);
return 0;
}