#include <iostream>

#include <iomanip>

#include <cstdlib>

#include <string>

using namespace std;

int main(){

    string s;

    cin>>s;

    //0-970-82162-4

    int m = ((int)s[] -) * ;

    m += ((int)s[] - ) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    m += ((int)s[] -) * ;

    int n = m % ;

    int t = (int)s[] -;

    if(s[] == 'X')

        t = ;

    if(n == t)

        cout<<"Right";

    else

    {

        if(n != )

            s[] = n + ;

        else

            s[] = 'X';

        cout<<s;

    }

//    cout<<setiosflags(ios::fixed)<<setprecision(4)<<s<<endl;

//    cout<< setiosflags(ios::fixed)<<setprecision(4) <<c<<endl;

}