import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
    String data = String.valueOf(a);
    String answer = "";

    for (int i = 0; i < data.length(); i++) {
      String num = String.valueOf(data.charAt(i));
      int n = Integer.parseInt(num);
      if (n == 9) {
        answer += "1";
      } else {
        answer += "9";
      }
    }
    System.out.println(answer);
	}
}

/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