就会吧哈哈哈

a = int(input())

b = int(input())+1

sum=0

z =0

for i in range(a,b):

if i % 2 == 0 and i % 7 == 0:

print(i, end=' ')

z=1

if z == 0:

for i in range(a, b):

sum += i

if sum != 0:

print(sum)