import java.util.HashMap;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();

		int N = sc.nextInt();
		map.put(111, 999);
		map.put(119, 991);
		map.put(199, 911);
		map.put(999, 111);
		map.put(991, 119);
		map.put(911, 199);
		map.put(919, 191);
		map.put(191, 919);

		System.out.println(map.get(N));
	}
}
/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