/in/foo.cc: In function 'int main()':
/in/foo.cc:9:26: error: expected ';' before string constant
    9 |                 else cout"neng"<<endl;
      |                          ^~~~~~
      |                          ;
/in/foo.cc:9:22: warning: statement has no effect [-Wunused-value]
    9 |                 else cout"neng"<<endl;
      |                      ^~~~