/in/foo.cc:3:7: error: expected nested-name-specifier before 'naemspace'
 using naemspace std;
       ^~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:2: error: 'cout' was not declared in this scope
  cout<<33;
  ^~~~
/in/foo.cc:6:2: note: suggested alternative:
In file included from /in/foo.cc:1:0:
/usr/include/c++/6/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^~~~