while True:
	try:
		s= raw_input()
		sum=int(s[0])+int(s[2])*2+int(s[3])*3+int(s[4])*4+int(s[6])*5+int(s[7])*6+int(s[8])*7+int(s[9])*8+int(s[10])*9
		m=sum % 11
		if m==10:
			if s[-1]=='X':
				print 'Right'
			else:
				print s[0:12]+'X'
		else:
			if s[-1]=='X':
				print s[0:12]+str(m)
			else:
				if m==int(s[-1]):
					print "Right"
				else:
					print s[0:12]+str(m)
	except EOFError:
		break