#include<bits/stdc++.h> using namespace std; float m,h,ans; int main(){ cin>>m>>h; ans=m/(h*h); if(ans<18.5) { cout<<"Underweight"; } else if(ans>=18.5&&ans<24) { cout<<"Normal"; } else if(ans>=24) { cout<<ans<<"\n"<<"Overweight"; } } 拿去抄吧，不用谢