import java.util.*;
import java.io.*;

public class Main {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		char a[] = sc.nextLine().toCharArray();
		for(int i = 0;i<a.length; i++) {
			if(a[i] == '9') a[i] = '1'; 
			else a[i] = '9';
		}
		System.out.println(a);
	}
}
/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