#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <string>
#include <cmath>

using namespace std;

int main()
{
	ifstream fin;
	ofstream fout;

	fin.open("DATA5.txt");
	fout.open("OUT5.txt");

	for (unsigned int i = 0; i < 5; i++)
	{
		int num;
		string temp;

		fin >> num;
		cout << num << endl;
		getline(fin, temp);
		for (unsigned int i = 0; i < num; i++)
		{
			getline(fin, temp);
			cout << temp << endl;
		}
		if (num >= 10)
		{
			if (num % 2 == 0)
				fout << 4 << endl;
			else
				fout << 0 << endl;
		}
		else
		{
			if (num % 2 == 0)
				fout << 2 << endl;
			else
				fout << 3 << endl;
		}
		cin.get();

	}
	fout.close();
	fin.close();
}