import java.util.*;

class Main{

	public static void main(String[] args){
	
		Scanner sc = new Scanner(System.in);

		String n = sc.next();
		String ans = "";

		for(int i = 0; i < 3; i++){
			String a = n.substring(i,i+1);

			if(a.equals("1")){
				ans += '9';
			}else{ 
				ans += '1';
			}
		}
		System.out.println(ans);

	}
}
/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