#include<bits/stdc++.h>
using namespace std;
int main()
{
double m,h;
cin >> m >> h;
if(m / (h * h) < 18.5)
{
cout << "Underweight";
}
else if(m / (h * h) >= 18.5 && m / (h * 2) < 24)
{
cout << "Normal";
}
else if(m / (h * h) >= 24)
{
cout << m / (h * h);
cout << "Overweight";
}
}