#include <bits/stdc++.h>

namespace views = std::views;
namespace ranges = std::ranges;

auto parse_input(std::istream& is) {
    const std::string input = {
        std::istreambuf_iterator<char>(is),
        std::istreambuf_iterator<char>()
    };

    auto const lines = views::split(input, '\n')
        | views::filter([](auto&& line) { return not line.empty(); });
    // Parse input
    return lines;
}

void part1(auto const& input) {
    // Write first part solution here
}

void part2(auto const& input) {
    // Write second part solution here
}

int main() {
    auto const input = parse_input(std::cin);

    part1(input);
    part2(input);

    return 0;
}