import java.util.*;

public class Main
{
	public static void main(String[] args)
	{
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		
		if(a==999)
			a=111;
		else if(a==991)
			a=119;
		else if(a==911)
			a=199;
		else if(a==919)
			a=191;
		else if(a==191)
			a=919;
		else if(a==111)
			a=999;
		else if(a==199)
			a=911;
		else if(a==119)
			a=991;
		else if(a==191)
			a=919;
		
		System.out.println(a);
	}
}	
/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