import java.util.*;
import java.io.*;
import java.lang.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String n = sc.next();
        
        StringBuilder ans = new StringBuilder();
        
        for (int i = 0; i<n.length();i++) {
            if (n.charAt(i) == '1')
                ans.append('9');
            else if (n.charAt(i) == '9')
                ans.append('1');
        }
        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