#include <bits/stdc++.h>
using namespace std;

#define ll long long

void solve() {
	ll n, m;
	cin>>n>>m;
	vector<array<int, 3> > a(n+1);
	for (int i = 1; i <= n; i++) {
		int w, l, r;
		cin>>w>>l>>r;
		a[i] = {w, l, r};
	}
//	printf("ddd\n");
	sort(a.begin()+1, a.begin()+n+1, greater<array<int, 3> >());
	ll ans = 0;
	for (int i = 1; i < n; i++) {
		ans += 1ll * a[i][0] * a[i][1];
		m -= a[i][1];
		a[i][2] -= a[i][1];
	}
	for (int i = 1; i < n; i++) {
		ll mn = min(m, 1ll * a[i][2]);
		ans += mn * a[i][0];
		m -= mn;
	}
	ans += a[n][0] * m;
	cout<<ans<<'\n';
}

int main()
{
	if (ifstream("test.in")) {
		freopen("test.in", "r", stdin);
//		freopen("test.out", "w", stdout);
	}
	ios::sync_with_stdio(false);
	cin.tie(0);
	int T = 1;
//	cin>>T;
	while (T--) {
		solve();
	}
	return 0;
}