A , B = map(int,input().split())
l = list(range(A, B+1))
ans = []
for w in l :
    if w%3 == 0 :
        ans.append(w)
m = list(map(str,l))
for t in m :
    if '3' in t :
        u =int(t)
        ans.append(u)
ans.sort()
print(ans)