Code

#include <bits/stdc++.h>
#define _zukako_ int main ()
#define ll long long
#define f fifai dong doi em
#include <iostream>

using namespace std ;
 _zukako_
{
    ll a,b;
    cin >> a >> b;
    cout << a << " + " << b << " = " << a +  b << endl ;
    cout << a << " - " << b << " = " << a -  b << endl ;
    cout << a << " * " << b << " = " << a *  b << endl ;
    cout << a << " div " << b << " = " << a /  b << endl ;
}

#zukako

#include <bits/stdc++.h>

using namespace std;

int main()

{

    int a, b; cin >> a >> b; 

    cout << a << " + " << b << " = " << a + b << endl;

    cout << a << " - " << b << " = " << a - b << endl;

    cout << a << " * " << b << " = " << a * b << endl;

    cout << a << " div " << b << " = " << a / b << endl;

}