#include<bits/stdc++.h>
using namespace std;
int main(){
	char x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,s;
	int num,ISBN;
	cin>>x1>>s>>x2>>x3>>x4>>s>>x5>>x6>>x7>>x8>>x9>>s>>x10;
	num=(int(x1-48))*1+(int(x2-48))*2+(int(x3-48))*3+(int(x4-48))*4+(int(x5-48))*5+(int(x6-48))*6+(int(x7-48))*7+(int(x8-48))*8+(int(x9-48))*9;
	ISBN=num%11;
	if(ISBN==int(x10-48)||x10=='X'&&ISBN==10){
		cout<<"Right";
	}
	else{
		if(ISBN==10){
			cout<<x1<<s<<x2<<x3<<x4<<s<<x5<<x6<<x7<<x8<<x9<<s<<"X";
		}
		else{
			cout<<x1<<s<<x2<<x3<<x4<<s<<x5<<x6<<x7<<x8<<x9<<s<<num%11; 
		}
	}
	return 0; 
}