import java.util.*;

public class Main {
    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        String S = sc.next();
        for (int i = 0; i < S.length(); i++) {
            System.out.print( S.substring( i, i+1 ).equals("1") ? "9" : "1" );
        }
        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