/in/foo.c:2:1: warning: data definition has no type or storage class
 x=float(input("n"))
 ^
/in/foo.c:2:1: warning: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
/in/foo.c:2:3: error: expected expression before 'float'
 x=float(input("n"))
   ^~~~~
/in/foo.c:7:10: error: invalid suffix "n" on integer constant
 print(x<=10n)
          ^~~