import java.util.List;
import java.util.Scanner;
import java.util.ArrayList;
import java.util.Arrays;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char[] input = sc.next().toCharArray();
        for (int i = 0; i < input.length; i++) {
            if (input[i] == '1')
                System.out.print('9');
            else
                System.out.print('1');
        }
        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