import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        StringBuilder n = new StringBuilder(sc.next());

        for (int i = 0; i < n.length(); i++) {
            if (n.charAt(i) == '1') {
                n.setCharAt(i, '9');
            } else if(n.charAt(i) == '9') {
                n.setCharAt(i, '1');
            }
        }

        System.out.println(n);
    }
}

/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