Problem:
Score : 100 points

Problem Statement

Cat Snuke is learning to write characters.
Today, he practiced writing digits 1 and 9, but he did it the other way around.

You are given a three-digit integer n written by Snuke.
Print the integer obtained by replacing each digit 1 with 9 and each digit 9 with 1 in n.

Constraints

111 \leq n \leq 999

n is an integer consisting of digits 1 and 9.

Input

Input is given from Standard Input in the following format:

n

Output

Print the integer obtained by replacing each occurrence of 1 with 9 and each occurrence of 9 with 1 in n.

Sample Input 1

119

Sample Output 1

991

Replace the 9 in the ones place with 1, the 1 in the tens place with 9 and the 1 in the hundreds place with 9. The answer is 991.

Sample Input 2

999

Sample Output 2

111

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Wrong Answer)

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner sc = new Scanner(System.in);
        int num = Integer.parseInt(sc.nextLine());
        int new_num = num;
        int hundreds = num / 100;
        int tens = ((num / 10) % 10);
        int ones = num % 10;
        if(tens < hundreds){
            new_num = new_num + ((hundreds - tens) * 10);
            if(ones > hundreds){
                new_num = new_num - (ones - hundreds);
            }
        }else if((tens == hundreds) && (ones < hundreds)){
            new_num = new_num + (hundreds - ones);
        }else{
            new_num = ((hundreds + 1) * 100) + ((hundreds + 1) * 10) + (hundreds + 1);
        }
        
        if((hundreds == tens) && (tens == ones)){
            new_num = num;
        }
        
        System.out.println(new_num);

    }
}