import java.util.Scanner;

public class Main {

	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		String s=String.valueOf(scanner.nextInt());
		
		String ans="";
		for(int i=0;i<3;i++) {
			char c=s.charAt(i);
			if(c=='1')ans+="9";
			else ans+="1";
		}
		
		System.out.println(Integer.parseInt(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