user_input.cpp

#include <iostream>

int main(){
    int a,b;
    std::cout<< "Enter you first number:\n"; /*<< is called instertion operator*/ 
    std:: cin>>a;/*>> is called extraction operator*/
    std::cout<< "Enter you first number:\n";
    std:: cin>>b;
    std:: cout<< "The sum of a and b is:\n"<< a+b;
    return 0 ;

}