L_The_Brothers.cpp

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

int main()
{
    string f1, s1, f2, s2;
    cin >> f1 >> s1;
    cin >> f2 >> s2;

    if (s1 == s2)
        cout << "ARE Brothers";
    else
        cout << "NOT";

    return 0;
}