import java.util.Scanner;

public class Main {
static int ans,N;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s=sc.nextLine();
        String S[]=s.split("");
        s="";
        for(int i=0;i<S.length;i++) {
        	s+=10-Integer.parseInt(S[i]);
        }
System.out.println(s);
        }
    }
/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