#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;


int main()
{
long long x1,r1,x2,r2;

cin>>x1>>r1>>x2>>r2;
if(x2>=x1 && r1<=r2 && r1>=x2 ){
    cout<<x2<<" "<<r1<<"\n";
}


else if(x2>=x1 && r2<=r1 ){
    cout<<x2<<" "<<r2<<"\n";
}

else if(x1>=x2 && r2<=r1 && x1<=r2 ){
    cout<<x1<<" "<<r2<<"\n";
}


else if(x1>=x2 && r1<=r2 ){
    cout<<x1<<" "<<r1<<"\n";
}


else{
    cout<<"-1"<<"\n";
}
    return 0;
}