import java.util.*;

public class Main {
	public static void main(String[] args) {
	    Scanner sc = new Scanner(System.in);
        char[] ch = sc.next().toCharArray();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < ch.length; i++) {
            if (ch[i] == '9') {
                sb.append('1');
            } else if (ch[i] == '1') {
                sb.append('9');
            }
        }
        System.out.println(sb.toString());
    }
}
/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