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