#include <stdio.h>
void main(void)

{ 
  char i,j;
  short x1,x2;
  short x;
  void printf();
  int scanf();

  short convert(char); 

  while ((i=getc(stdin)) !=-1)
   if ((i != '\n') &&(i != ' ')) 
     { 
       j = getc(stdin); 

       printf(" %c %c\n ",i,j);

       x1 = convert(i);
       x2 = convert(j);

       x = x1<<4 | x2;
       printf("%d\n",x);
      

     } 
}

short convert(char ch)
{
  if (ch < 'a') return(ch -'0');
   else return(ch - 'a'+10);
}