import java.util.Scanner;

public class Main{

    public static void main(String[] args){


        Scanner scanNum = new Scanner(System.in);

        String inputNum = scanNum.next();

        scanNum.close();

        char[] charArray = inputNum.toCharArray();

        String print = "";

        for(int i=0; i < inputNum.length() ; i++){
            if(charArray[i] == '1'){
                charArray[i] = '9';
                print = print + 9;
            }
            else{
                charArray[i] = '1';
                print = print + 1;
            }
        }


        System.out.print(print);
    }
}
/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