// Program: caesar_decrypt.cpp
// decrypts a text by applying a cyclic shift of 3 

#include<iostream>
#include<cassert>
#include<ios> // for std::noskipws

// PRE:  s < 95 && s > -95
// POST: if c is one of the 95 printable ASCII characters, c is 
//       cyclically shifted s printable characters to the right
void shift (char& c, int s)
{
  assert (s < 95 && s > -95);
  if (c >= 32 && c <= 126) { // printable
    if (c + s > 126) 
      c += (s - 95);
    else if (c + s < 32)
      c += (s + 95);
    else 
      c += s;
  }
}

int main ()
{
  std::cin >> std::noskipws; // don't skip whitespaces!

  // decryption loop
  char next; 
  while (std::cin >> next) {
    shift (next, 3);
    std::cout << next;
  }

  return 0;
}