#include<bits/stdc++.h>
using namespace std;

int main()
{
    int x,y,m,n,i,k,j;
    while(1)
    {
        cin>>k;
        if(k==0)
            break;
            cin>>m>>n;
        for(i=0;i<k;i++)
        {
            cin>>x>>y;
            if(x==m||y==n)
                cout<<"divisa"<<endl;
            else if(x>m && y>n)
                cout<<"NE"<<endl;
            else if(x<m && y<n)
                cout<<"SO"<<endl;
            else if(x<m && y>n)
                cout<<"NO"<<endl;
            else
                cout<<"SE"<<endl;
        }
    }
    return 0;
}