include <bits/stdc++.h>

using namespace std;

int main() {
float weight,height,bmi;
scanf("%f %f",&weight,&height);
bmi=weight/(height*height);//此处用height^2，不太好使，亲测
if(bmi<=23.9&&bmi>=18.5)
printf("Normal");
else
printf("Abnormal");
return 0;
}