#include<bits/stdc++.h>
using namespace std;
class rectangle
{
private:
int length,width;
public:
rectangle (int l,int h){length=l;width=h;}
double area();
};
double rectangle::area(){return length*width;}
int main()
{int l,h,x,y;
cin>>l>>h>>x>>y;
rectangle m(l,h);rectangle n(x,y);
if(m.area()>n.area())cout<<1;
else cout<<0;
}



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