import java.util.*;

class Main {
	public static void main (String[] args) {
		Scanner sc=new Scanner(System.in); 
		String s=sc.next();
		int i=0;
		while(i<3){
		    if(s.charAt(i)=='1')
		        System.out.print("9");
		    else
		        System.out.print("1");
		  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