/* p14.c */

#include <stdio.h>

int main()
{
   char c;
   int  howmany;

   howmany = fscanf(stdin, "%c", &c);
   while (howmany == 1)
   {
      fprintf(stdout, "%02x %c \n", c, c);
      howmany = fscanf(stdin, "%c", &c);
   }
   return(0);
}