#include <iostream>
using namespace std;
int main()
{
int n;
cin >> n;
if (n >= 1 && n <= 4)
{
cout << "Rau";
}
if (n >= 5 && n <= 6)
{
cout << "Suficient";
}
if (n >= 7 && n <= 8)
{
cout << "Bine";
}
if (n >= 9 && n <= 10)
{
cout << "Excelent";
}
return 0;
}