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 Java7 (OpenJDK 1.7.0) (judge verdict: Accepted)


import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.StringTokenizer;

import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String c = sc.next();
        String c1 = String.valueOf(c.charAt(0));
        String c2 = String.valueOf(c.charAt(1));
        String c3 = String.valueOf(c.charAt(2));
        
        c1=change19(c1);
        c2=change19(c2);
        c3=change19(c3);
        
    	System.out.println(c1 + c2 + c3);   
    
    }
    private static String change19(String str) {
    	if ("1".equals(str)) {
    		str="9";
    	} else if ("9".equals(str)) {
    		str="1";
    	}
    	
    	return str;
    }
}