import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner sc = new Scanner(System.in);
        int num = Integer.parseInt(sc.nextLine());
        if ((num / 100) == 1){
            num = num + 800;
        }else{
            num = num - 800;
        }
        if (((num / 10) % 10) == 1){
            num = num + 80;
        }else{
            num = num - 80;
        }
        if ((num % 10) == 1){
            num = num + 8;
        }else{
            num = num - 8;
        }
    
        System.out.println(num);

    }
}
/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