import java.util.*;
class Main{
  public static void main(String[] a ){
    Scanner sc=new Scanner(System.in);
String s=sc.next();
for(int i=0;i<s.length();i++){
System.out.print(s.charAt(i)=='1'?'9':(s.charAt(i)=='9'?'1':s.charAt(i)));}System.out.println();}}  
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz