/in/foo.cc: In function 'int main()':
/in/foo.cc:9:23: error: expected ';' before 'b'
    9 |                 c=c-60
      |                       ^
      |                       ;
   10 |                 b=b+1;
      |                 ~      
/in/foo.cc:12:23: error: expected ';' before 'a'
   12 |                 b=b-60
      |                       ^
      |                       ;
   13 |                 a=a+1;
      |                 ~      
/in/foo.cc:17:9: error: 'retune' was not declared in this scope
   17 |         retune 0;
      |         ^~~~~~