while True:
    try:
        #首位数字乘以1加上次位数字乘以2……以此类推
        b = input()
        total = (int(b[0])+int(b[2])*2+int(b[3])*3+int(b[4])*4+int(b[6])*5+int(b[7])*6+int(b[8])*7+int(b[9])*8+int(b[10])*9)%11
        
        if b[-1] == "X":
            if total == 10:
                print("Right")
            else:
                print(b[:-1]+str(total))
        else:
            if b[-1] == str(total):
                print("Right")
            else:
                if total == 10:
                    print(b[:-1]+"X")
                else:
                    print(b[:-1]+str(total))

    except EOFError:
        break