#include <bits/stdc++.h>
using namespace std;
bool good = false;
vector<bool> blokkok;

void checkIfGood(int loc) {
    if (loc == blokkok.size()) good = true;
    for (size_t i = loc; i <= (blokkok.size()-loc)/2; i++)
    {
        if (blokkok[i]) checkIfGood(i + i-loc);
    }
    
}

int main() {
    int T;
    cin >> T;
    string line;
    for (int i = 0; i < T; ++i) {
        blokkok.clear();
        cin >> line;
        for (int i = 0; i < line.size(); ++i) {
            if (line[i] == line[i+1]) {
                blokkok.push_back(true);
                char start = line[i];
                for (; line[i] == start && i < line.size(); i++){}
            }
            else {
                blokkok.push_back(false);
            }
        }
        checkIfGood((0));
        if (good) {
            cout << "IGEN";
        }
        else {
            cout << "NEM";
        }
        good = false;
    }
}