#include <iostream>
#include <vector>
using namespace std;
int main()
{
	{
    	vector <bool> d(42);
    	for (bool &&e : d) e = false;
    	for (bool b : d) cout << b;
    	cout << '\n';
	}
	{
    	vector <bool> d(42);
    	for (bool &&e : d) e = true;
    	for (bool b : d) cout << b;
    	cout << '\n';
	}
	{
    	vector <bool> d(42);
    	for (auto &&e : d) e = false;
    	for (bool b : d) cout << b;
    	cout << '\n';
	}
	{
    	vector <bool> d(42);
    	for (auto &&e : d) e = true;
    	for (bool b : d) cout << b;
    	cout << '\n';
	}
    
}