while True:
    try:
        s = input()
        l =  s.replace("-", "")
        
        total = 0
        for i in range(1,10):
           total += int(l[i-1])*i
        d = total % 11
        if d == 10:
            if l[-1] == "X":
                print("Right")
            else:
                print(s[:-1]+"X")
        else:
            if l[-1] == str(d):
                print("Right")
            else:
                print(s[:-1]+str(d))
     

    except EOFError:
        break