/*****************************************************************************
 *  This Program can be freely distributed as long as you don't remove this
 *  comment.
 *
 *  It is used to decode password of ftpexpert. http://www.visic.com/
 *  (sites.ini contains encoded passwords)
 *
 *  No error checking has been done!
 *
 *  Reversed and written by _ck, zipper_x
 ****************************************************************************/
#include <stdio.h>

void usage(char *progname) {
     printf("usage: %s encoded-password\n", progname);
}

int main(int argc, char **argv) {
	int count;
    int key;
    int len;
   	char *pwd;
    char *str;

    if(argc!=2) {
      usage(argv[0]);
    } else {
      str=argv[1];
      len=strlen(str);
      for (count=0;count<len;count+=2,str+=2) {
           sscanf(str, "%2x", &key);
           printf("%c", ((~(key^0x55))&0xff));
      }
	  printf("\n");
    }

    return(0);
}