while True:
    try:
        s=input()
        j,s1=1,0
        d=0
        for i in range(11):
            if s[i] =='-':
                continue
            else:
                s1=s1+(int(s[i]))*j
                j=j+1
        d=s1%11
        if  d==10:
            if s[12] =="X":
                print("Right")
            else:
                print(s[0:12]+"X")

        else:
            if str(d) == s[12]:
                print("Right")
            else:
                print(s[0:12]+str(d))
    except EOFError:
        break