import java.util.*;

public class Main {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String n = sc.next();

        String r = "";
        for (char c : n.toCharArray()) {
            r += solve(c);
        }
        System.out.print(r);

    }

    static char solve (char c){
        switch (c) {
            case '1':
                return '9';
            case '9':
                return '1';
            default:
                return c;
        }
    }
}
/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