import java.util.*;
public class Main {
	public static void main(String args[]) {
		Scanner scn = new Scanner(System.in);
		char[] val = scn.nextLine().trim().toCharArray();
		String out = "";
		for (char v : val) {
			out = out + "" + (v == '1' ? '9' : '1');
		}
		System.out.println(out);
	}
}
/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