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