C++ Program–Simple Arithmetic Operations

//using cout stream
#include <iostream>
void main(void)
{
int a, b, sum, sub, mid, div;
cout << "Enter any nvo numbers " << endl;
cin >> a >> b;
sum = a + b;
sub = a - b;
mid = a * b;
div = a/b;
cout << "a= " << a << "b ="<< b << "sum = ";
cout << sum << endl;
cout << "a= " << a << "b = " << b << "sub = ";
cout << sub << endl;
cout << "a= " << a << "b = " << b << "mul = ";
cout << mul << endl;
cout << "a= " << a << "b = "<< b << "div = ";
cout << div << endl;
}