#include <random>
#include <iostream>
 
typedef std::mt19937 random_eng;
//typedef std::minstd_rand random_eng;
 
int f(int x) {
    std::seed_seq sq(&x, &x + 1);
    auto rnd = random_eng(sq);
    return std::uniform_int_distribution<int>()(rnd);
}
 
int g(int x) {
    std::seed_seq sq(&x, &x + 1);
    auto rnd = random_eng();
    rnd.seed(sq);
    return std::uniform_int_distribution<int>()(rnd);
}
 
int main() {
    std::cout << f(0) << " " << f(0) << std::endl;
    std::cout << g(0) << " " << g(0) << std::endl;
 
    return 0;
}

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