// #define DEBUGGING
#include <bits/stdc++.h>
#define endl '\n'
#define ALL(V) (V).begin(), (V).end()
#define ALLR(V) (V).rbegin(), (V).rend()
using ll = std::int64_t;
using ull = std::uint64_t;
using PLL = std::pair<ll, ll>;
using TLL = std::tuple<ll, ll, ll>;
template <typename T> using V = std::vector<T>;
template <typename T> using VV = V<V<T>>;
template <typename T> const T& var_min(const T &t) { return t; }
template <typename T> const T& var_max(const T &t) { return t; }
template <typename T, typename... Tail> const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); }
template <typename T, typename... Tail> const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); }
template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); }
template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); }
template <typename T> const T& clamp(const T &t, const T &low, const T &high) { return std::max(low, std::min(high, t)); }
template <typename T> void chclamp(T &t, const T &low, const T &high) { return t = clamp(t, low, high); }
namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; }
#define mv_rec make_v(init, tail...)
template <typename T> T make_v(T init) { return init; }
template <typename T, typename... Tail> auto make_v(T init, size_t s, Tail... tail) { return V<decltype(mv_rec)>(s, mv_rec); }
#undef mv_rec
using namespace std;

#ifdef DEBUGGING
#include "../../debug/debug.cpp"
#else
#define DEBUG(...) 0
#define DEBUG_SEPARATOR_LINE 0
#endif

int main() {
    ll N, X;
    cin >> N >> X;
    V<TLL> blu(N);
    for (ll i = 0; i < N; i++) {
        ll b, l, u;
        cin >> b >> l >> u;
        blu[i] = make_tuple(b, l, u);
    }

    auto score = [&](TLL t) {
        ll b, l, u;
        tie(b, l, u) = t;
        return u * (X - b) + l * b;
    };

    sort(ALL(blu), [&](TLL a, TLL b) { return score(a) > score(b); });
    DEBUG(blu);

    ll ok = X * N, ng = -1;
    while (abs(ok - ng) > 1) {
        ll mid = (ok + ng) / 2;
        ll ost = 0, osa = 0;
        ll mod = (mid % X == 0 ? X : mid % X);
        ll cnt = (mid - mod) / X;
        for (ll i = 0; i < N; i++) {
            ll b, l, u;
            tie(b, l, u) = blu[i];
            if (i < cnt) {
                ost += X * u;
                osa += b * u;
            } else {
                osa += b * l;
            }
        }

        bool over = false;
        for (ll i = 0; i < N; i++) {
            ll st = ost;
            ll sa = osa;
            if (i < cnt) {
                ll b, l, u;
                tie(b, l, u) = blu[i];
                st -= X * u;
                sa -= b * u;
                tie(b, l, u) = blu[cnt];
                st += X * u;
                sa -= b * l;
                sa += b * u;
            } else {
                ll b, l;
                tie(b, l, ignore) = blu[i];
                sa -= b * l;
            }
            ll b, l, u;
            tie(b, l, u) = blu[i];
            ll v = (b < mod ? u : l);
            st += v * mod;
            sa += v * b;
            if (sa <= st) {
                over = true;
                break;
            }
        }
        (over ? ok : ng) = mid;
    }

    cout << ok << endl;
    return 0;
}


Measured memory_bytes: 2560