#include<iostream>
#include<cstring>
#include<stdio.h>

using namespace std;


void judge(char a[14])
{
	int sum = 0, n, k = 1;
	char m;
	for (int i = 0; i < 11; i++)
	{
		if (a[i] != '-')
		{		
			sum += (a[i] - '0') * k;
			k++;
		}
	}
	n = sum % 11;
	m = n + '0';
	if (m == a[12]) cout << "Right";
	else if (n == 10 && a[12] == 'X') cout << "Right";
	else
	{
		cout << a;
	}
}

int main()
{
	char ISBN[14];
	cin >> ISBN; 
	judge(ISBN);
}