#include <iostream>
#include <string>
using namespace std;
int x = 99;

int main() {
  string s = "Hello";
  char *hello; // = new char[6];
  //strcpy(hello, "hello");
  strcpy(hello, "hiiiiii");

  int x = 17;
  cout << s << endl;
  cout << s.size() << endl;
  cout << s << endl;
  cout << hello << endl;
  cout << s + " world" << endl;
  cout << "global x: " << ::x << endl;
  cout << "local x: " << x << endl;
  return 0;
}