/in/foo.cc: In function 'int main()':
/in/foo.cc:7:10: warning: statement has no effect [-Wunused-value]
    7 |     num1 <= 24;
      |     ~~~~~^~~~~
/in/foo.cc:8:10: warning: statement has no effect [-Wunused-value]
    8 |     num1 >= 0;
      |     ~~~~~^~~~
/in/foo.cc:9:10: warning: statement has no effect [-Wunused-value]
    9 |     num2 >= 0;
      |     ~~~~~^~~~
/in/foo.cc:10:10: warning: statement has no effect [-Wunused-value]
   10 |     num2 <= 60;
      |     ~~~~~^~~~~
/in/foo.cc:11:10: warning: statement has no effect [-Wunused-value]
   11 |     num3 >= 0;
      |     ~~~~~^~~~
/in/foo.cc:12:10: warning: statement has no effect [-Wunused-value]
   12 |     num3 <= 60;
      |     ~~~~~^~~~~
/in/foo.cc:13:10: warning: statement has no effect [-Wunused-value]
   13 |     num4 >= 0;
      |     ~~~~~^~~~