#include<bits/stdc++.h>
using namespace std;
int main()
{
   char arr[13];
   cin>>arr;
   int s=0,m=arr[12]-'0',k=0;
   for(int i=0;i<11;i++)
   {
       if(arr[i]!='-')
       {
           k++;
           s=s+(arr[i]-'0')*k;
       }
   }
   if(s%11==m)
    cout<<"Right"<<endl;
   else
   {
       arr[12]=s%11+'0';
       cout<<arr<<endl;
   }
   return 0;
}