11586 - Train Tracks

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
#define sz(x) int(x.size())
#define all(x) x.begin(), x.end()

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

    int test;
    cin >> test;
    cin.ignore();
    while (test--) {
        string s;
        getline(cin, s);
        int f = 0, m = 0;
        for (int i = 0; i < sz(s); i++) f += (s[i] == 'F'), m += (s[i] == 'M');
        cout << (f > 1 && m > 1 && m == f ? "LOOP" : "NO LOOP") << endl;
    }
}