Vuodet

import re

input = input().split()
first = int(input[0])
last = int(input[1])

match = []

for year in range(first, last + 1):
    years = str(year)
    leet = str(year * 1337)
    if re.match(r'^.*{}.*{}.*{}.*{}.*$'.format(years[0], years[1], years[2], years[3]), leet):
        match.append(year)

print(len(match))
print(*match, sep='\n')

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED