import java.util.*;
 
class Main{
  public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   String a = sc.next(); 
  int ans = 0;
	int q = 0;
   for(int i = 0; i < 3; i++){
    System.out.print(10 - Character.getNumericValue(a.charAt(i)));
   }
  }
}
/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