#include <iostream>
#include <string>
#include <cassert>
#include <vector>
bool has_digits(std::string year, const std::string leetyear)
{
int i = 0;
for (const char c : leetyear)
if (year[i] == c)
i++;
return i == 4;
}
int main(int argc, char **argv)
{
if (argc != 3)
return 1;
int a = atoi(argv[1]);
int b = atoi(argv[2]);
assert(has_digits("2025", "2707425"));
std::vector<int> leetvuodet;
for (int i = a; i < b; ++i)
{
if (has_digits(std::to_string(i), std::to_string(i * 1337)))
leetvuodet.push_back(i);
}
std::cout << leetvuodet.size() << std::endl;
for (int v : leetvuodet)
{
std::cout << v << std::endl;
}
}
