while True:
    try:
        t=input()
        t1=t.replace("-","")
        d = sum([int(t1[i])*(i+1) for i in range(len(t1)-1)])%11
        if d==10:
            if t1[-1]=="X":print("Right")
            else:
                print(t[:-1]+"X")
        else:
            if str(d)==t1[-1]:print("Right")
            else:
                print(t[:-1]+str(d))

    except EOFError:
        break