/in/foo.c: In function 'main':
/in/foo.c:5:12: error: stray '\357' in program
  scanf("%d"，&num);
            ^
/in/foo.c:5:13: error: stray '\274' in program
  scanf("%d"，&num);
             ^
/in/foo.c:5:14: error: stray '\214' in program
  scanf("%d"，&num);
              ^
/in/foo.c:5:15: error: invalid operands to binary & (have 'char *' and 'int')
  scanf("%d"，&num);
        ~~~~   ^