2週目はデブの話をして標準体重を計算します
#include <iostream>
using namespace std;
int main()
{
int a,b,c;//a b c
cin>>a>>b;
c=a-100;
cout<<" :"<<c<<endl;
if(b>=1.2*c)
cout<<" "<<endl;
if(b<=0.8*c)
cout<<" "<<endl;
else
cout<<" "<<endl;
return 0;
}