    import java.util.Scanner;
    class Main{
        public static void main(String arg[]){
            Scanner scn=new Scanner(System.in);
            String n=scn.next();
            for(int i=0;i<n.length();i++){
                if(n.charAt(i)=='9'){
                    System.out.print('1');
                }else{
                    System.out.print('9');
                }
            }
            System.out.println();
        }
    }
/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