#include <iostream>
using namespace std;
class sum
{
private:
int a,b;
public:
void setdata(int x, int y)
{
a=x;
b=y;
}
void display()
{
cout<<“a=”<<a<<endl;
cout<<“b=”<<b<<endl;
}
};
int main()
{
sum s1,s2,s3;
s1.setdata(2,4);
s1.display();
s2.setdata(8,4);
s2.display();
return 0;
}