#include <iostream>
using namespace std;
int main(){
    double a,b;
    cout<<"enter A and B";
    cin>> a>>b;
    cout<<"A+B= "<<a+b<<'\n'<<"A-B= "<<a-b<<'\n'<<"A*B= "<<a*b<<'\n'<<"A/B= "<<a/b<<'\n'<<"max A,B="<<max(a,b)<<'\n';
}