import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.PriorityQueue;
import java.util.TreeSet;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		PriorityQueue<Obj> que1 = new PriorityQueue<>((o1, o2) -> o1.v - o2.v);
		PriorityQueue<Obj> que2 = new PriorityQueue<>((o1, o2) -> o2.v - o1.v);
		for (int i = 0; i < n; i++) {
			String[] sa = br.readLine().split(" ");
			Obj o = new Obj();
			o.c = Integer.parseInt(sa[0]);
			o.x = Integer.parseInt(sa[1]);
			o.y = Integer.parseInt(sa[2]);
			o.v = o.x - o.y;
			if (o.v < 0) {
				que1.add(o);
			} else {
				que2.add(o);
			}
		}
		br.close();

		TreeSet<Integer> set = new TreeSet<>();
		for (int i = 0; i < n; i++) {
			set.add(i);
		}
		long ans = 0;
		while (!que1.isEmpty()) {
			Obj o = que1.poll();
			Integer k = set.lower(o.c);
			if (k == null) {
				k = set.last();
				ans += o.x;
			} else {
				ans += o.y;
			}
			set.remove(k);
		}

		set.clear();
		for (int i = n - que2.size(); i < n; i++) {
			set.add(i);
		}

		while (!que2.isEmpty()) {
			Obj o = que2.poll();
			Integer k = set.ceiling(o.c);
			if (k == null) {
				k = set.first();
				ans += o.y;
			} else {
				ans += o.x;
			}
			set.remove(k);
		}
		System.out.println(ans);
	}

	static class Obj {
		int c, x, y, v;
	}
}