求纠错

a = input().split('-')
isbn = a[0]+a[1]+a[2]
sum = 0
for i in range(9):
    sum += int(isbn[i])*(i+1)
x = sum % 11
if(a[3] == 'X'):
    if(x == 10):
        print('Right')
    else:
        print(a[0]+'-'+a[1]+'-'+a[2]+'-'+str(x))
else:
    if(x == 10):
        print(a[0]+'-'+a[1]+'-'+a[2]+'-X')
    elif(a[3] == str(x)):
        print('Right')
    else:
        print(a[0]+'-'+a[1]+'-'+a[2]+'-'+str(x))