Use of variables

#include <iostream>
using namespace std;
int main(){
// cout << "STARTING BY THE NAME OF ALLAH THE MOST MERCIFUL THE MOST FORGIVING \n";
// cout << "\n";
// int first_Number = 56;
// int second_Number = 18;
// int product = first_Number*second_Number;
// cout << "first_Number = "<<first_Number<<"\n";
// cout << "second_Number = "<<second_Number<<"\n";
// cout << "product Of Two Numbers = "<<product<<"\n";
// cout <<"\n";
// cout << ":) :) :) :) :) ..........\n";
int e = 56;
int b = e + 1;
int f = b;
int c = f + b;
int d = c + c ;
int a = f + f ;
cout << a << " = " << a << " = True "<< "\n";
cout << b << " = " << b << " = True "<< "\n";
cout << c << " = " << c << " = True "<< "\n";
cout << d << " = " << d << " = True "<< "\n";
cout << e << " = " << e << " = True "<< "\n";
cout << f << " = " << f << " = True "<< "\n";
return 0;
}