import java.util.Scanner;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		String n = sc.next();
		String nArr[] = n.split("",0);
		
		for (int i = 0; i < 3; i++) {
			if (nArr[i].equals("1")) {
				nArr[i] = "9";
			} else {
				nArr[i] = "1";
			}
		}
		
		System.out.println(nArr[0] + nArr[1] + nArr[2]);
	}
}
/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