#include <iostream>
using namespace std;
 
class B{
	int x;
	int y;
	public:
	B(){
		x=y=0;
		cout<<"Constructor1"<<endl;
	}
	B(int i){
		x=i;
		y=0;
		cout<<"Constructor2"<<endl;
	}
	B(int i,int j){
		x=i;
		y=j;
		cout<<"Constructor3"<<endl;
	}
	~B(){cout<<"Destructor"<<endl;}
	void print(){
		cout<<"x="<<x<<",y="<<y<<endl;
	}
};
 
int main() {
	// your code goes here
	B * ptr;
	ptr=new B[3];
	ptr[0]=B();
	ptr[1]=B(5);
	ptr[2]=B(2,3);
	for(int i=0;i<3;i++){
		ptr[i].print();
	}
	delete[]ptr;
}

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