n=input().strip().split('-')
k=n[-1]
n.pop(-1)
z=1
h=0
for i in n:
    for j in i:
        h+=(int(j)*z)%11
        z+=1
h=h%11
if h==int(k):
    print('Right')
else:
    if h!=10:
        print('-'.join(n),end='-')
        print(h)
    else:
        print('-'.join(n),end='-')
        print('X')
       ```