Vuodet

a, b = map(int, input().split())
def isLeet(x):
    tp = str(x)+"#"
    i = 0
    for c in str(x*1337):
        if c == tp[i]:
            i += 1
    return tp[i] == "#"

ls = [x for x in range(a, b+1) if isLeet(x)]
print(len(ls))
print("\n".join(map(str,ls)))

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED