import java.util.*;
class Main{
	static Scanner scan = new Scanner(System.in);
	public static void main(String[] argv){
		String s = scan.next();
		char[] c = s.toCharArray();
		for(int i=0;i < c.length;i++){
			if(c[i]=='1')
				c[i] = '9';
			else
				c[i] = '1';
		}
		System.out.println(String.valueOf(c));
	}
}
/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