核

a = input().replace("-", "")
b = 0
for i, c in enumerate(a-1):
d = int(c) * (i + 1)
b += d
sum = b % 11
if sum == 10:
num = "X"
else:
num = str(sum)
if a[-1] == num:
print("Right")
else:
print("{}-{}-{}-{}".format(a[0], a[1:4], a[4:9], num))