/in/foo.c: In function 'main':
/in/foo.c:5:19: warning: spurious trailing '%' in format [-Wformat=]
    5 |         scanf("d%d%" ,  &x,&y);
      |                   ^
/in/foo.c:5:15: warning: too many arguments for format [-Wformat-extra-args]
    5 |         scanf("d%d%" ,  &x,&y);
      |               ^~~~~~
/in/foo.c:6:15: warning: spurious trailing '%' in format [-Wformat=]
    6 |      printf("d%" , x+y);
      |               ^
/in/foo.c:6:13: warning: too many arguments for format [-Wformat-extra-args]
    6 |      printf("d%" , x+y);
      |             ^~~~