Vuodet

a, b = map(int, input().split())

ans = []
for n in range(a, b + 1):
	s = str(n)
	t = str(1337 * n)
	i = 0
	for c in t:
		if c == s[i]:
			i += 1
			if i == 4:
				ans.append(n)
				break
print(len(ans))
for n in ans:
	print(n)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED