#!/usr/bin/python
# -*- coding: UTF-8 -*-
while True:
    try:
        s=raw_input()
        t=1
        sum=0
        for i in range(len(s)-2):
            if s[i]>='0' and s[i]<='9':
                sum = sum + int(s[i])*t
                t +=1
        sum=sum % 11
        if sum==10:
            if s[-1]=='X':
                print 'Right'
            else:
                print s[0:12]+'X'
        else:
            if s[-1]=='X':
                print s[0:12]+str(sum)
            else:
                if int(s[-1])==sum:
                    print 'Right'
                else:
                    print s[0:12]+str(sum)
    except EOFError:
        break