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;}1143B - Nirvana | 1285A - Mezo Playing Zoma |
919B - Perfect Number | 894A - QAQ |
1551A - Polycarp and Coins | 313A - Ilya and Bank Account |
1469A - Regular Bracket Sequence | 919C - Seat Arrangements |
1634A - Reverse and Concatenate | 1619C - Wrong Addition |
1437A - Marketing Scheme | 1473B - String LCM |
1374A - Required Remainder | 1265E - Beautiful Mirrors |
1296A - Array with Odd Sum | 1385A - Three Pairwise Maximums |
911A - Nearest Minimums | 102B - Sum of Digits |
707A - Brain's Photos | 1331B - Limericks |
305B - Continued Fractions | 1165B - Polycarp Training |
1646C - Factorials and Powers of Two | 596A - Wilbur and Swimming Pool |
1462B - Last Year's Substring | 1608B - Build the Permutation |
1505A - Is it rated - 2 | 169A - Chores |
765A - Neverending competitions | 1303A - Erasing Zeroes |