#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
const int N = 15;
int n;
char s[N];

int main()
{
    cin >> s;
    int  a = s[0] - '0' + (s[2] - '0')*2 + (s[3] - '0')*3 +(s[4] - '0')*4 + (s[6] - '0')* 5 + 
    (s[7] - '0')*6 + (s[8] - '0')*7+ (s[9] - '0')*8 +(s[10] - '0')*9;
      a = a % 11;
      if(a == 10) {
          a ='X' - '0';
      }
     if(a == s[12] - '0'){
         cout << "Right";
     }
     else {
         s[12] = a + '0';
         for (int i = 0; i <= 12; i ++ ){
             cout << s[i];
         }
     }
    return 0;
}