#include <string>
#include <iostream>

std::string operator*(std::string const& str, int n)
{
    std::string ret{};
    for (int i{}; i < n; ++i)
    {
        ret += str;
    }
    return ret;
}

int main()
{
    std::string hello{"Hej"};
    std::cout << hello*5 << std::endl;
}