/in/foo.cc: In function 'int nain()':
/in/foo.cc:13:18: error: expected ';' before '}' token
   13 |         cout<<ans
      |                  ^
      |                  ;
   14 | }
      | ~                 
/in/foo.cc:14:1: warning: no return statement in function returning non-void [-Wreturn-type]
   14 | }
      | ^