    import java.util.*;
    public class Main {
     
    	public static void main(String[] args) {
    			
    		Scanner scan =new Scanner(System.in);
    		char[]n=scan.next().toCharArray();
    		for (char i:n) {
    			if(i=='1') {
    				System.out.print("9");
    			}else if(i=='9'){
    				System.out.print(1);
    			}else {
    				System.out.print(i);
    			}
    		}
    }
    }
// end 
/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