import java.util.*;
import java.io.*;
public class Main {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner cin=new Scanner(new BufferedInputStream(System.in));
String s=cin.next();
int a[]=new int [15],cnt=0;
for(int i=0;i<s.length()-1;i++)
{
if(Character.isDigit(s.charAt(i))) {
a[++cnt]=s.charAt(i)-'0';
}
}
int x=1,sum=0;
for(int i=1;i<=cnt;i++)
{
sum+=a[i]*(x++);
}
sum%=11;
// System.out.print(sum);
if(sum==10)
{
if(s.charAt(s.length()-1)=='X')
{
System.out.println("Right");
}else {
for(int i=0;i<s.length()-1;i++) System.out.print(s.charAt(i));
System.out.println("X");
}
}else if(sum==s.charAt(s.length()-1)-'0')
{
System.out.println("Right");
}else {
for(int i=0;i<s.length()-1;i++) System.out.print(s.charAt(i));
System.out.println(sum);
}
}
}