#include<iostream>
using namespace std;
string a;
int n;
int main(){
	cin >> a;
	n = int((a[0]-48)*1+(a[2]-48)*2+(a[3]-48)*3+(a[4]-48)*4+(a[6]-48)*5+(a[7]-48)*6+(a[8]-48)*7+(a[9]-48)*8+(a[10]-48)*9)%11;
	if(n == int(a[12])-48){
		cout<<"Right";
	}
	else{
		for(int i = 0;i<12;i++){
			cout<<a[i];
		}
		cout<<n;
	}
	return 0;
}