#include<iostream>
#include<cmath>
using namespace std;
int main()
{
    double w,h,tol;
    cin>>h>>w;
    tol = w / (h * h);
    //cout<<tol<<"\n";
    if(tol < 18.5)cout<<"low"<<"\n";
    else if(tol >= 18.5 && tol < 24)cout<<"normal"<<"\n";
    else if(tol > 24)cout<<"high"<<"\n";
    return 0; 
}