#include <iostream>
using namespace std;
int main(){
    int x1, x2, y1, y2;
    cout<<"x1=";cin>>x1;
    cout<<"y1=";cin>>y1;
    cout<<"x2=";cin>>x2;
    cout<<"y2=";cin>>y2;
    if(x1==x2){
        cout<<"Verticala";
    }else{
        if(y1==y2){
            cout<<"Orizontala"
        }else{
            cout<<"Oblica"
        }
    }
}