#include <string>
#include <iostream>
#include <algorithm>
#include <cctype>
#include <cstdio>

class MyTransform {
private :
   int shift ;
public :
   MyTransform( int s ) : shift( s ) { }

  char operator( )( char c ) {
      if ( isspace( c ) )
	 return ' ' ;
	 else if(ispunct(c))
              return c;
      else {
	 static std::string letters( "abcdefghijklmnopqrstuvwxyz" ) ;
	 std::string::size_type found = letters.find(tolower( c )) ;
	 int shiftedpos = ( static_cast<int>( found ) + shift ) % 26 ;
	 if ( shiftedpos < 0 ) //in case of decryption possibly
	    shiftedpos = 26 + shiftedpos ;
	 char shifted = letters[shiftedpos] ;
	 return shifted ;
      }
  }
} ;

int main( ) {
        
   std::string input ;
   while(getline( std::cin , input )) {
   int myshift = 4 ;
   myshift *= -1 ; //decrypting again
   std::transform ( input.begin( ) , input.end( ) , input.begin( ) ,
	 MyTransform( myshift ) ) ;
   std::cout << input << std::endl ;
   }
   return 0 ;
}