11498_Division_of_Nlogonia.py

'''
Created on Jul 28, 2016

@author: Md. Rezwanul Haque
'''

while(1):
    n = int(input())
    if(n==0):
        break
    
    x,y = map(int,input().split())
    for i in range(n):
        xx, yy = map(int,input().split())
        if(xx == x or yy == y):
            print('divisa')
        elif(xx>x and yy>y):
            print('NE')
        elif(xx>x and yy<y):
            print('SE')
        elif(xx<x and yy>y):
            print('NO')
        else:
            print('SO')