import java.util.*;
 
public class Main {
 
    public static void main(String[] args) {
 
       Scanner in=new Scanner(System.in);
 
       String s, decoded;
 
       while (in.hasNextLine()){
 
           s = in.nextLine();
 
           decoded = "";
 
           for (int i = 0; i < s.length(); i++)
           {
               decoded += (char)(s.charAt(i) - 7);
           }
 
           System.out.println(decoded);
       }
    }
}

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