import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char n[] = new char[4];
        n = sc.next().toCharArray();
        sc.close();
        for (int i = 0; i < 3; ++i) {
            if (n[i] == '1') n[i] = '9';
            else if (n[i] == '9') n[i] = '1';
        }
        System.out.print(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