import java.util.HashMap;

import java.util.Scanner;

public class CookingWater {

static Scanner sc = new Scanner(System.in);

public static void main(String[] args) {

int n = sc.nextInt();

sc.nextLine();

HashMap<Integer, Integer> map = createMap(n);

if(isSameTime(n, map)) System.out.println("gunilla has a point");

else System.out.println("edward is right");

}

public static boolean isSameTime(int n, HashMap<Integer, Integer> map) {

// loop throug map and find if there is a time where count (value) is same as n

for (Integer count : map.values()) {

if(count == n) return true;

}

return false;

}

public static HashMap<Integer, Integer> createMap(int n) {

HashMap<Integer, Integer> map = new HashMap<>();

int low, high;

for (int i = 0; i < n; i++) {

low = sc.nextInt(); high = sc.nextInt();

for (int j = low; j <= high; j++) {

if(map.containsKey(j)) map.put(j,map.get(j)+1);

else map.put(j, 1);

}

}

return map;

}

}