/in/foo.cc: In function 'int main()':
/in/foo.cc:5:11: error: expected primary-expression before '<<' token
  cout<<  *<<endl;
           ^~
/in/foo.cc:6:12: error: expected primary-expression before '<<' token
  cout<< ***<<endl;
            ^~
/in/foo.cc:7:14: error: expected primary-expression before '<<' token
  cout<<  ****<<endl;
              ^~
/in/foo.cc:8:12: error: expected primary-expression before '<<' token
  cout<< ***<<endl;
            ^~
/in/foo.cc:9:11: error: expected primary-expression before '<<' token
  cout<<  *<<endl;
           ^~