#include <iostream>
using namespace std;
class cls
{
int x;
public:
cls(int i) { x = i; }
int set_x(int i)
{
int y = x;
x = i;
return y;
}
int get_x() { return x; }
};
int main()
{
cls *p = new cls[10];
for (int i = 3; i < 9; i++)
p[i].set_x(i);
for (int i = 0; i < 4; i++)
cout << p[i].get_x();
return 0;
}