弄了半天也不知道哪错了，要疯了...

n = input()
a = n.replace('-','')
Sum = 0
for i in range(len(a)-1):
    Sum += int(a[i])*(i+1)
b=Sum%11
if b==10:
    if n[-1] == 'X':
        print('Right')
    else:
        print(n[:12]+'X')
else:
    if n[-1]!= 'X' and n[-1] == str(b):
        print('Right')
    else:
        print(n[:12] + str(b))