#include <iostream>
#include <string>

int main()
{
  std::string text = "Hello World";
  std::cout << text << " hat " << text.size() << " Zeichen." << std::endl;
  text = "Hallo Welt";
  std::cout << text << " hat " << text.size() << " Zeichen." << std::endl;
  text = "";
  std::cout << text << " hat " << text.size() << " Zeichen." << std::endl;
  return 0;
}