import java.util.*;

public class Main {
    public static void main(String[] args){
    
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();

    if(n==111){
	System.out.println("999");  
  }else if(n==191){
	System.out.println("919");  
  }else if(n==199){
	System.out.println("911");
  }else if(n==119){
	System.out.println("991");  
  }else if(n==911){
	System.out.println("199");   
  }else if(n==919){
	System.out.println("191");  
  }else if(n==991){
	System.out.println("119");  
  }else if(n==999){
	System.out.println("111");  
    }
    }
}

/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