#include <iostream>

using namespace std;

int main()

{

    int x1,y1,x2,y2;

    cin>>x1>>y1>>x2>>y2;

    if(x1>=0 and y1>=0 and x2>=0 and y2>=0

       or x1<=0 and y1>=0 and x2<=0 and y2>=0

       or x1<=0 and y1<=0 and x2<00 and y2<=0

       or x1>=0 and y1<=0 and x2>=0 and y2<=0)

    {

        cout<<„pripadaju“;

    }

    else

    {

        cout<<„ne pripadaju“;

    }

    return 0; }