#include <iostream>
using namespace std;
int main ()
{
int a[10];
int count=0;
char b[14];
for(int i=1;i<=13;i++)
cin>>b[i];
int k =1;
for(int j =1;j<=13;j++){
if(b[j]!='-'){
a[k]=b[j]-'0';
k++;
}
}
for(int l=1;l<=9;l++)
count+=(l*a[l]);
int temp=count%11;
char h;
if(temp==10)
h='X';
else
h='0'+temp;
if(h==b[13])
cout<<"Right";
else{
for(int g=1;g<=12;g++)
cout<<b[g];
cout<<h;
}
return 0;
}