import java.util.*;

public class Main {
	public static void main(String[] args) {  
  		Scanner sc = new Scanner(System.in);
		String n = sc.next();
      	char[] ary = new char[n.length()];
      	
      	for(int i = 0; i < n.length(); i++) {
         	ary[i] = n.charAt(i); 
          	
          	if(ary[i] == '1') {
	            ary[i] = '9';
            } else if(ary[i] == '9') {
            	ary[i] = '1';
            }
        	System.out.print(ary[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