#include<iostream>
using namespace std;
class point
{
private:
int x,y;
public:
point(int x1,int y1)
{x=x1;y=y1;}
void playpoint()
{cout<<"x="<<x<<",y="<<y<<endl;}
};
class rect
{
private:
int z1,z2;
public:
rect(int x2,int y2,int x3,int y3)
:z1(x2,y2),z2(x3,y3)
{}
void display()
{cout<<z1<<z2<<endl;}
};
int main()
{
rect one(1,2,3,4);
one.display();
return 0;
}