#include <iostream>
#include <string>

std::string getNick() {
    std::string nickname, prefix="NICK ", suffix="\r\n";
    std::cout<<"Choose nickname\n";
    std::cin>>nickname;
    nickname = prefix + nickname + suffix;
    std::cout<<nickname;
    return nickname;
}

int main() {
	std::string nick = getNick();
	
	std::cout<<"in main nick = '"<<nick<<"'"<<std::endl;
}