foo.cc: In function 'int main()':
foo.cc:8:16: error: 'aaa' was not declared in this scope
     cout<<" "<<aaa;
                ^~~
foo.cc:9:11: error: 'aaaaa' was not declared in this scope
     cout<<aaaaa;
           ^~~~~
foo.cc: At global scope:
foo.cc:18:3: error: expected unqualified-id at end of input
   *
   ^