// UUID: db50061f-c677-4075-8271-4f4ebd35b453
#include <bits/stdc++.h>
using namespace std;

int main() {
	int t; cin >> t;
	while(t--){
		string a; cin >> a;
		vector<bool> b;
		int w = -1 , v = 0;
		for(char x : a){
			if(w != -1 && x-'0'!=w){
				b.push_back(v-1);
				v=0;
			}
			v++;
			w = x-'0';
		}
		b.push_back(v-1);
		int n  = b.size();
		int l = -n*2 , r = n*3+1;
		for(int i = 0; i < n; i++){
			if(!b[i])continue;
			if(i <= n/2)l = max(l , i);
			if(i >= n/2)r = min(r , i);
		}
		cout << (r-l-1 <= n/2?"IGEN\n":"NEM\n");
	}
}