#include <iostream>
#include <string>

using namespace std;

int main(int argc, char **argv) {
	bool const a = true;
	bool const b = false;

	cout << "a AND b : " << (a && b) << endl;
	cout << "a OR b : " << (a || b) << endl;
	cout << "NOT a : " << (!a) << endl;
	cout << "NOT b : " << (!b) << endl;
	return 0;
}