F020：計算BMI

#include <iostream>
using namespace std;
int main(){
        double w,h,bmi;
 cin>>h;
 cin>>w;
 bmi=w/(h*h);
 cout << bmi<<"\n";
 if(bmi<18.5)cout << "too thin";
 else if(bmi>=18.5&&bmi<24)cout << "standard";
 else cout <<"too fat";
 return 0;
}