/in/foo.c:2:1: warning: data definition has no type or storage class
 n=float(input("n"))
 ^
/in/foo.c:2:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
/in/foo.c:2:3: error: expected expression before 'float'
 n=float(input("n"))
   ^~~~~
/in/foo.c:6:1: error: expected identifier or '(' before 'if'
 if n include m=2
 ^~