#include <iostream>
using namespace std;

class Class1 {

public:

	Class1()	{
		cout << "Class1's constructor" << endl;
	}

	class Class2	{
	public:
		Class2()	{
			cout << "Class2's constructor" << endl;
		}	
	};
};

int main() {
	// your code goes here
	Class1 c;
	return 0;
}