import java.util.Scanner;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.Arrays;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        char[] a = sc.next().toCharArray();
        String Ans = "";
        for (int i=0;i<3;i++){Ans += (a[i]=='1')?"9":"1";}
        System.out.println(Ans);
        sc.close();
    }
}
/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