/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | height, weight = map(float, input().strip().split(','))
      | ^~~~~~
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'height' [-Wimplicit-int]
/in/foo.c:1:9: warning: type defaults to 'int' in declaration of 'weight' [-Wimplicit-int]
    1 | height, weight = map(float, input().strip().split(','))
      |         ^~~~~~
/in/foo.c:1:18: warning: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | height, weight = map(float, input().strip().split(','))
      |                  ^~~
/in/foo.c:1:22: error: expected expression before 'float'
    1 | height, weight = map(float, input().strip().split(','))
      |                      ^~~~~
/in/foo.c:3:1: error: expected ',' or ';' before 'bmi'
    3 | bmi = weight / (height ** 2)
      | ^~~