#include<iostream>
using namespace std;

int main()
{
	string s;
	cin >> s;
	int n = 1;
	int sum = 0;
	for (auto t : s)
	{
		if (n == 10)
		{
			sum %= 11;
		}
		else if (t >= '0' && t <= '9')
		{
			sum += n++ * (t - '0');
		}
	}
	if (sum + '0' == s.back())
	{
		cout << "Right" << endl;
	}
	else if (sum == 10 && s.back() == 'X')
	{
		cout << "Right" << endl;
	}
	else
	{
		s.back() = sum + '0';
		if (sum == 10)
		{
			s.replace(s.end() - 1, s.end(), 1, 'X');
		}
		cout << s << endl;
	}
	return 0;
}