import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String n = scanner.next();
		char[] chars = n.toCharArray();
		chars[0] = chars[0] == '1' ? '9' : '1';
		chars[1] = chars[1] == '1' ? '9' : '1';
		chars[2] = chars[2] == '1' ? '9' : '1';
		System.out.println(chars);
		scanner.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