import java.util.Scanner;

class Main{
	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		String string = scanner.next();
		
		String ans = "";
		
		for(int i = 0;i < string.length();i++){
			String aString =  string.substring(i,i+1);
			
			if(aString.equals("1")){
				
				ans = ans+ "9";
				
				
			}else if(aString.equals("9")){
				
				ans = ans + "1";
			}else{
				
				ans = ans + aString;
			}
		}
		
		System.out.println(ans);
		
	}
}


/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