import java.util.*;
public class Main{
    public static void main(String []args){
        Scanner x=new Scanner(System.in);
        int a=x.nextInt();
        int ans=0;
        while(111<=a&&a<=999){
            int b=a/100;
            int c=a%100/10;
            int d=a%100%10/1;
            ans=(10-b)*100+(10-c)*10+(10-d);
            break;
        }
        System.out.println(ans);
     }
}
/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