#include <iostream>
#define WIN
void Run()
{
std::cout << "Hallo Welt" << std::endl;
system("PAUSE");
}
int main(){
#ifndef WIN
std::cout << "This program only run on Microsoft Windows!" << std::endl;
std::cin.get();
return 1;
#endif
#ifdef WIN
Run();
return 0;
#endif
}
}