#include <iostream>

int main() {
    std::cout << "Hello world!" << std::endl;
    std::cout << "hello" << std::endl;
    std::cout << "ba lobi la pointure mousousou" << std::endl;
    std:: cout <<" ba lobi bo sala nioso tout " << std::endl;
    std:: cout <<  "batou nioso" << std:: endl;
    return 0;
}