while True:
    try:
        s=input()
        total=int(s[0])*1+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
        yu=total % 11
        if s[-1]!='X':
            sbm=int(s[-1])
        else:
            sbm=10
        if yu==sbm:
            print('Right')
        elif yu==10:
            print(s[0:12]+'X')
        else:
            print(s[0:12]+str(yu))
    except EOFError:
        break