a,b=map(int,input().split())
s=[0]*(601)
al=[i for i in range(0, a+1, 1)]
bl=[i for i in range(0, b*5+1, 5)]
for v1 in al:
  for v2 in bl:
    s[v1+v2] += 1
for i, v in enumerate(s):
  if v > 0 and i > 0:
    print(i)