/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | month,year = int(,)
      | ^~~~~
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'month' [-Wimplicit-int]
/in/foo.c:1:7: warning: type defaults to 'int' in declaration of 'year' [-Wimplicit-int]
    1 | month,year = int(,)
      |       ^~~~
/in/foo.c:1:14: error: expected expression before 'int'
    1 | month,year = int(,)
      |              ^~~