import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
	}

	public void run() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		long x = 0;
		for (int i = 0; i < N; ++i) {
			long K = Long.parseLong(sc.next());
			long L = Long.parseLong(sc.next());
			long D = Long.parseLong(sc.next());
			x ^= K % 2 * (L & ((1L << D) - 1));
			L >>= D;
			for (long j = L; j <= L + K - 1; ++j) {
				if (j % 4 == 0) {
					j = (L + K - 1) / 4 * 4;
				}
				x ^= j << D;
			}
		}
		System.out.println(x);
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}