import java.util.Scanner;

class Main {

	public static void main(String[] args) {

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

		char[] c = n.toCharArray();
		for (int i = 0; i < n.length(); i++) {
			if (c[i] == '1')
				c[i] = '9';
			else
				c[i] = '1';

		}

		String s = String.valueOf(c);

		System.out.println(s);

	}
}
/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