qwe

#include <iostream>
using namespace std;
bool asd(int a) 
{
	if (a % 2 == 0) return true;
	else return false;
}

int main()
{
	int a;
	cin >> a;
	if (asd(a) == true) cout << a << " - chetkoe";
	else cout << a << " - ne chetkoe";
}