#include<bits/stdc++.h>
using namespace std;

int main() {
    string a, b;
    cin >> a >> b;
    if (a == "T" && b == "F")cout << "F T" << endl;
    if (a == "F" && b == "T")cout << "T F" << endl;
    if (a == "T" && b == "T")cout << "T T" << endl;
    if (a == "F" && b == "F")cout << "F F" << endl;
}