#include <bits/stdc++.h>
using namespace std;
char x[13];

int main()
{
	int s = 0;
	cin >> x;

	s += (x[0] - '0') * 1;
	s += (x[2] - '0') * 2;
	s += (x[3] - '0') * 3;
	s += (x[4] - '0') * 4;

	s += (x[6] - '0') * 5;
	s += (x[7] - '0') * 6;
	s += (x[8] - '0') * 7;
	s += (x[9] - '0') * 8;
	s += (x[10] - '0') * 9;

	s %= 11;

	if (s == 10)
	{
		if (x[12] == 'X')
			cout << "Right" << endl;
		else
		{
			x[12] = 'X';
			cout << x << endl;
		}
	}
	else
	{
		if (s == x[12] - '0')
			cout << "Right" << endl;
		else
		{
			x[12] = s + '0';
			cout << x << endl;
		}
	}
	return 0;
}