import java.util.Scanner;
public class SimpleDecoding{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
String s = "";
int len, i = 0;
while (input.hasNext()){
s = input.nextLine();
len = s.length();
for (i=0;i<len;i++){
char c = s.charAt(i);
c = (char)((int)c - 7);
if (i == len-1){
System.out.println(c);
}
else{
System.out.print(c);
}
}
}
}
}