import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        
        String n = sc.next();
        
        String ans = "";
        
        for(int i=0;i<3;i++){
            if(n.charAt(i)=='1')
                ans+="9";
            else
                ans+="1";
        }
        
        System.out.println(ans);
    }
}
/*
119
*/
/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