Creating object

#include<iostream>
using namespace std;


class myclass
{
int a,b;
public:

int c;
void set(int x, int y)
{
a = x;
b = y;
}

void show()
{
cout<<a<<' '<<b<<"\n";
}
friend myclass set_ab(myclass,int ,int);
};

myclass set_ab(myclass ob, int x, int y)
{
ob.a = x;
ob.b = y;
return ob;
}
myclass show(myclass ob)
{
//ob.a = 3;
ob.c = 1;
ob.show();
ob.set(3,4);
return ob;
}

void main()
{
myclass ob1, ob2;
ob1.set(2,3);


//ob2= show(ob1);
//ob2.show();

ob2 = set_ab(ob2, 5,6);
ob2.show();
}