#include <iostream>
using namespace std;
int main(){
    string s;   cin >> s;
    string res = "";
    for(int i = 0; i < s.size(); i ++ ){
        if(s[i] == '-') continue;
        res += s[i];
    }
    int sum = 0;
    for(int i = 0; i < res.size() - 1; i ++ )   sum += (res[i] - '0') * (i + 1);;
    if(sum % 11 == 10){
        if(res[res.size() - 1] != 'X'){
            for(int i = 0; i < s.size() - 1; i ++ ) cout << s[i];
            cout << 'X' << endl;
        }  
        else    cout << "Right" << endl;
    }else{
        if(sum % 11 == res[res.size() - 1] - '0') cout << "Right" << endl;
        else{
            for(int i = 0; i < s.size() - 1; i ++ ) cout << s[i];
            cout << sum % 11 << endl;
        }    
    }
    return 0;
}