/in/foo.cc: In function 'int main()':
/in/foo.cc:8:2: warning: statement has no effect [-Wunused-value]
    8 | h<24;
      | ~^~~
/in/foo.cc:9:2: warning: statement has no effect [-Wunused-value]
    9 | m<60;
      | ~^~~
/in/foo.cc:10:3: warning: statement has no effect [-Wunused-value]
   10 |  s<60;
      |  ~^~~