Problem med newbie kode

Hej Alle

Jeg er begyndt at snuse til c+, og jeg vil lige prøve denne kode:

#include <iostream>
int main()
{
  cout<<"HEY, you, I'm alive!  Oh, and Hello World!";
  return 0;   
}

men den kommer med denne log i dev c++:

Kompiler: Default compiler
Building Makefile: "C:\Documents and Settings\Rasmusha\Dokumenter\Makefile.win"
Eksekverer  make...
make.exe -f "C:\Documents and Settings\Rasmusha\Dokumenter\Makefile.win" all
g++.exe -c helloworld.cpp -o helloworld.o -I"C:/Dev-Cpp/include/c++"  -I"C:/Dev-Cpp/include/c++/mingw32"  -I"C:/Dev-Cpp/include/c++/backward"  -I"C:/Dev-Cpp/include" 

helloworld.cpp: In function `int main()':
helloworld.cpp:4: `cout' undeclared (first use this function)
helloworld.cpp:4: (Each undeclared identifier is reported only once for each
  function it appears in.)

make.exe: *** [helloworld.o] Error 1

Eksekvering afbrudt

Hvad er der galt?

Jeg har lavet scriptet fra en tutorial:)