#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <climits>  
#include <cmath>
#include <algorithm>
#include <functional>
#include <iterator>
#include <cstring>
#include <set>
#include <vector>
#include <queue>
#include <list>
#include <cctype>
#include <string>

using namespace std;



int main()
{
  string s;
  cin>>s;

  int tt=(s[0]-'0')*1+(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;

  tt=tt%11;

  if(tt==s[12]-'0'){cout<<"Right";}
  else if(tt==10)
  {
    if(s[12]=='X'){cout<<"Right";}
    else{s[12]='X';cout<<s;}
  }
  else{s[12]=48+tt;cout<<s;}

  return 0;
}