import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String S = sc.nextLine();
      StringBuilder sb = new StringBuilder();
      
      for (int j = 0;j < S.length();j++){
        if(S.charAt(j) == '1') {
          sb.append('9');
        } else if(S.charAt(j) == '9') {
          sb.append('1');
        } else{
          sb.append(S.charAt(j));
        }
      }
      S = sb.toString();
      println(S);
        return ;
    }
    static long getLong(String val) {return Long.parseLong(val);}
    static int getInt(String val) {
        return Integer.parseInt(val);
    }

    static void println(String val){System.out.println(val);};
    static void println(int val){System.out.println(val);};
    static void println(long val){System.out.println(val);};
    static void println(Object val){System.out.println(val);};
}

/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