#include<iostream>
using namespace std;
int main()
{
long long int n, m, x, y, a, b, c, i;
while(cin >> n && n>0)
{
cin >> x >> y;
for(i=1;i<=n;i++)
{
cin >> a >> b;
m = a-x;
c = b-y;
if(m == 0 || c == 0)
{
cout << "divisa" << endl;
}
else if(m>0 && c >0)
{
cout << "NE" << endl;
}
else if(m<0 && c>0)
{
cout << "NO" << endl;
}
else if(m<0 && c<0)
{
cout << "SO" << endl;
}
else if(m>0 && c<0)
{
cout << "SE" << endl;
}
}
}
return 0;
}
using namespace std;
int main()
{
long long int n, m, x, y, a, b, c, i;
while(cin >> n && n>0)
{
cin >> x >> y;
for(i=1;i<=n;i++)
{
cin >> a >> b;
m = a-x;
c = b-y;
if(m == 0 || c == 0)
{
cout << "divisa" << endl;
}
else if(m>0 && c >0)
{
cout << "NE" << endl;
}
else if(m<0 && c>0)
{
cout << "NO" << endl;
}
else if(m<0 && c<0)
{
cout << "SO" << endl;
}
else if(m>0 && c<0)
{
cout << "SE" << endl;
}
}
}
return 0;
}
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