/in/foo.cc:1:2: error: invalid preprocessing directive #includ
 #includ<iostream>;
  ^~~~~~
/in/foo.cc:2:17: error: 'sted' is not a namespace-name
 using namespace sted;
                 ^~~~
/in/foo.cc:2:21: error: expected namespace-name before ';' token
 using namespace sted;
                     ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:2: error: 'cout' was not declared in this scope
  cout<<a;
  ^~~~