import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int a[] = new int[3];
		a[0] = n / 100;
		a[1] = (n - n / 100 * 100) / 10;
		a[2] = n % 10;

		for (int i = 0; i < a.length; i++) {
			if (a[i] == 1) {
				a[i] = 9;
			} else {
				a[i] = 1;
			}
		}

		System.out.println(a[0] * 100 + a[1] * 10 + a[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