import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String n = String.valueOf(sc.nextInt());
		String rn="";
		for(int i = 0;i < 3;i++) {
			if(n.charAt(i) == '1') rn += "9";
			else rn += "1";
		}
		System.out.println(Integer.valueOf(rn));
	}
}
/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