import java.util.*;
public class Main{

     public static void main(String []args){
        Scanner sc=new Scanner(System.in);
        String s=sc.next();
        String ans="";
        for(int i=0;i<s.length();i++){
            char c=s.charAt(i);
            int x=2*((int)'5')-(int)c;
            ans+=((char)x);
            
            
        }
      
        System.out.println(ans);
     }
}
/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