calculate sum and product in C++

 #include<iostream>

#include<iomanip>

using namespace std;

int main() {

    int a;

    int b;

    //input a

    cout<<"Enter a : ";

    cin>>a;

    //input b

    cout<<"Enter b: ";

    cin>>b;

    //calculate sum

    int sum = a + b;

    int prod = a*b;

    cout<<"sum = "<<sum<<endl;

    cout<<"product = "<<prod<<endl;

    return 0;

}