import java.util.*;
public class Main{
	public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String n = sc.next();
        if(n.charAt(0)=='9'){
            System.out.print('1');
        }else{
            System.out.print('9');
        }
        if(n.charAt(1)=='9'){
            System.out.print('1');
        }else{
            System.out.print('9');
        }
        if(n.charAt(2)=='9'){
            System.out.print('1');
        }else{
            System.out.print('9');
        }
        System.out.println("");
    }
}

/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