a,b,c,d = input().split("-")
if d == "X":
  d = "10"
isbn = a + b + c
total = 0
for i in range(9):
  total += (i+1)*int(isbn[i])
if d == str(total%11):
  print("Right")
elif total%11 == 10:
  d = "X"
  print(a + "-" + b + "-" + c + "-" + d)
else:
  print(a + "-" + b + "-" + c + "-" + str(total%11))

为什么第四个点就是不过啊，他说应该是Right,但我本地跑的就是Right啊 为什么啊八嘎