/// Author : Shohanur Rahaman

#include<cstdio>
#include<iostream>
using namespace std;

int main()
{
    int tc;
    int x,y;
    int n,m;

    while(cin>>tc){
        if(tc!=0){
            cin>>n>>m;

            for(int i=1;i<=tc;i++){
                cin>>x>>y;
                    if(x==n || x==m || y==n || y==m){
                        cout<<"divisa"<<endl;
                    }
                    else if(x>n && y >m){
                        cout<<"NE"<<endl;
                    }
                    else if(x<n && y>m){
                        cout<<"NO"<<endl;
                    }
                    else if(x<n && y<m){
                        cout<<"SO"<<endl;
                    }
                    else if(x>n && y<m){
                        cout<<"SE"<<endl;
                    }
            } // end main loop
        }
        else{
            break;
        }
    }

    return 0;
}