/in/foo.c: In function 'main':
/in/foo.c:14:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
  gets(word);
  ^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.c:24:81: error: expected expression before ';' token
   (word[step]<='Z'&&word[step]>='A')?(word[step]=(word[step]-'A'+move)%26+'A'): ;
                                                                                 ^