#include <random>
#include <iostream>

int main(int argc, char const *argv[])
{
    const int range_from  = 0;
const int range_to    = 1;
std::random_device                  rand_dev;
std::mt19937                        generator(rand_dev());
std::uniform_int_distribution<int>  distr(range_from, range_to);

std::cout << distr(generator) << '\n';
    return 0;
}