题解 | #[NOIP2008]ISBN号码#

n=input()
a=n.split("-")[0]
b=n.split("-")[1]
c=n.split("-")[2]
d=n.split("-")[3]
m=(int(a) * 1 + int(b[0]) * 2 + int(b[1]) * 3 + int(b[2]) * 4 + int(c[0]) * 5 + int(c[1]) * 6 + int(c[2]) * 7 + int(
        c[3]) * 8 + int(c[4]) * 9) % 11
if m==10 and d=="X":
    print("Right")
elif d!="X"and m==int(d):
    print("Right")
else:
    if m==10:
        print(f"{a}-{b}-{c}-X")
    else:
        print(f"{a}-{b}-{c}-{m}")