#include<stdio.h>
int main()
{
int n,x,y,h,k,i;
//freopen("in.txt","r",stdin);
while(scanf("%d",&n)&&n)
{
scanf("%d%d",&h,&k);
for(i=0;i<n;i++)
{
scanf("%d%d",&x,&y);
x -= h,y -= k;
if(x*y==0)
printf("divisa\n");
else if(x>0 && y>0)
printf("NE\n");
else if(x>0 && y<0)
printf("SE\n");
else if(x<0 && y>0)
printf("NO\n");
else
printf("SO\n");
}
}
return 0;
}
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