/in/foo.c:1:1: warning: data definition has no type or storage class
 i = 0
 ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
/in/foo.c:2:1: error: expected ',' or ';' before 'if'
 if i % 7 == 0 or i//10 == 7:
 ^~