#include<iostream>
using namespace std;
int main()
{
double weight,height;
cin>>weight>>height;
double BMI;
BMI=weight/(height*height);
if(BMI>=18.8&&BMI<=23.9)cout<<"Normal";
else cout<<"Abnormal";
return 0;
}

#include<iostream>
using namespace std;
int main()
{
double weight,height;
cin>>weight>>height;
double BMI;
BMI=weight/(height*height);
if(BMI>=18.8&&BMI<=23.9)cout<<"Normal";
else cout<<"Abnormal";
return 0;
}