Jim 18:08:35


import java.util.Scanner;

public class Main {
	 public static void main(String[] args) {
		 String  isbn = new String ();

		 char isbn1;
		 String isbn2 = new String();
		 String isbn3 = new String();
		 char isbn4;
		 int isbnS1,isbnS2,isbnS3,isbnS4;
		 int sum = 0;
		 Scanner scan = new Scanner(System.in);
		 isbn = scan.next();
		 
		 isbn1 = isbn.charAt(0);
		 isbn2 = isbn.substring(2, 5);
		 isbn3 = isbn.substring(6, 11);
		 isbn4 = isbn.charAt(12);
		 
		 isbnS1 = Integer.parseInt(String.valueOf(isbn1)); 
		 isbnS2 = Integer.parseInt(isbn2);
		 isbnS3 = Integer.parseInt(isbn3);
		 isbnS4 = Integer.parseInt(String.valueOf(isbn4)); 
		 
		 Dome test = new Dome();
		 isbnS1 = isbnS1 * 1;
		 isbnS2 = test.zhuanhua(isbnS2,4);
		 isbnS3 = test.zhuanhua(isbnS3,9);
		 
		 sum = isbnS1 + isbnS2 + isbnS3;
		 sum = sum % 11;
	 
		 if(sum == isbnS4) {
			 System.out.println("Right");
		 }else {
			 
			 System.out.println(isbn.substring(0, 12) + sum);
		 }
	}
}
class Dome{
	public int zhuanhua(int number,int digirt) {

		int temp = 0;
		int sum = 0;
		while(number > 0) {
			if(number/10 != 0) {
				temp = number % 10;
				sum += temp * digirt;
				digirt --;
				number = number/10;

			}else {
				sum += number * digirt;
				number = number/10;
				digirt --;
			}
		}

		return sum;
	}
}