#include <stdio.h>
 
int main() {
 	int k, m, n, x, y;
 	while (scanf("%i", &k)) {
 		if 	(k == 0) {
 			break;
 		}
 
		scanf("%i %i", &m, &n);
 
		for(int i = 0; i < k; i ++) {
			scanf("%i %i", &x, &y);
 
			if(x == m || y == n) {
				printf("divisa\n");
			} else if(x > m && y > n) {
				printf("NE\n");
			} else if(x < m && y < n) {
				printf("SO\n");
			} else if(x < m && y > n) {
				printf("NO\n");
			} else if(x > m && y < n) {
				printf("SE\n");
			}
		}
 	}
	return 0;
}

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3
2 1
10 10
-10 1
0 33
4
-1000 -1000
-1000 -1000
0 0
-2000 -10000
-999 -1001
0