#include <iostream>
using namespace std;

int main(){
    string str;
    int num = 0;
    cin >> str;
    for (int i = 0, j = 1; i < str.size() && j <= 9; i ++ ){
        if(str[i] == '-') continue;
        num += (str[i] - '0')*j;
        j ++;
    }

    num %= 11;
    int verify;
    if(str[12] == 'X')verify = 10;
    else verify = str[12] - '0';
    if(num == verify)cout << "Right";
    else{
        cout << str.substr(0, 11) << '-';
        if(num == 10) cout << 'X';
        else cout << num;
    }

    return 0;
}