for _ in range(int(input())):
n=int(input())
arr=list(map(int,input().split()))
p=sum(arr)-n
if p%2:
print("errorgorn")
else :
print("maomao90")#include <bits/stdc++.h>
#include <iostream>
#include<string>
#define ll long long
using namespace std;
void FAST() {
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);}
int main() {
FAST();
int t; cin>>t;
while (t--){
int n,sum=0; cin>>n;
int arr[n];
for (int i = 0; i <n; i++){
cin>>arr[i];
sum+=arr[i]-1;}
if (sum%2==0)cout<<"maomao90"<<endl;
else cout<<"errorgorn"<<endl;}
return 0;}1428B - Belted Rooms | 519B - A and B and Compilation Errors |
1152B - Neko Performs Cat Furrier Transform | 1411A - In-game Chat |
119A - Epic Game | 703A - Mishka and Game |
1504C - Balance the Bits | 988A - Diverse Team |
1312B - Bogosort | 1616B - Mirror in the String |
1660C - Get an Even String | 489B - BerSU Ball |
977C - Less or Equal | 1505C - Fibonacci Words |
1660A - Vasya and Coins | 1660E - Matrix and Shifts |
1293B - JOE is on TV | 1584A - Mathematical Addition |
1660B - Vlad and Candies | 1472C - Long Jumps |
1293D - Aroma's Search | 918A - Eleven |
1237A - Balanced Rating Changes | 1616A - Integer Diversity |
1627B - Not Sitting | 1663C - Pōja Verdon |
1497A - Meximization | 1633B - Minority |
688B - Lovely Palindromes | 66B - Petya and Countryside |