#include<iostream>
#include<string>
using namespace std;
int main(){
	string str;
	char c[15],num[9];
	cin >> str;
	str.copy(c,13,0);
	*(c+13) = '\0';
	int j = 0,k = 0;
	while(c[k] != '\0'){
		if(c[k] != '-'){
			num[j] = c[k];
			j++;
			k++;
		}
		else
		k++;
	}
	int a[10], sum;
	for(int i =0;i < 9;i++)
		a[i] = num[i] - '0';
	for(int i =0;i < 9;i++)
		sum = sum + a[i] * ( i + 1 );
	sum = sum % 11;
	if(sum != 10){
		if(sum == c[12] - '0')
			cout << "Right";
		else{
			for(int i = 0;i < 12;i++)
			cout << c[i];
		cout << sum ;}
		}
	else
		{
			if(c[12] == 'X')
				cout << "Right";
			else{
				for(int i = 0;i < 12;i++)
				cout << c[i];
			cout << 'X';}
		}
	return 0;
}