while True:
    try:
        n1,n2,n3,n4 = input().split("-")
##        print(n1,n2,n3,n4)
        t=int(n1)*1+int(n2[0])*2+int(n2[1])*3+int(n2[2])*4+int(n3[0])*5+int(n3[1])*6+int(n3[2])*7+int(n3[3])*8+int(n3[4])*9
##        print(t)
        yzm=t%11
        
##        print(yzm)
        if yzm==10:
            sbm="X"
        else:
            sbm=str(yzm)

        if sbm==n4:
            print("Right")
        else:
            print('%s-%s-%s-%s'%(n1,n2,n3,sbm))

    except EOFError:
        break