/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | height,weight=input( , )
      | ^~~~~~
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'height' [-Wimplicit-int]
/in/foo.c:1:8: warning: type defaults to 'int' in declaration of 'weight' [-Wimplicit-int]
    1 | height,weight=input( , )
      |        ^~~~~~
/in/foo.c:1:15: warning: implicit declaration of function 'input' [-Wimplicit-function-declaration]
    1 | height,weight=input( , )
      |               ^~~~~
/in/foo.c:1:22: error: expected expression before ',' token
    1 | height,weight=input( , )
      |                      ^