    import java.util.*;
    import static java.lang.System.*;

public class Main {

  public static void main(String[] args){
            Scanner sc = new Scanner(in);
            String s=sc.next();
            s=s.replace("9","-");
            s=s.replace("1","9");
            s=s.replace("-","1");
            out.println(s);
        }
    }
/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