#include <bits/stdc++.h>
using namespace std;
int n, i, a, a1, b, f;
string s[3] = {"maybe", "unrated", "rated"};
int main() {
  cin >> n;
  for (; i < n; i++) {
    cin >> a >> b;
    if (a != b) {
      f = 2;
      break;
    }
    if (i > 0 && a > a1) f = 1;
    a1 = a;
  }
  cout << s[f];
}
