#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
typedef long double ld;
typedef pair<int, int> P;
typedef pair<ll, ll> LP;
typedef pair<ld, ld> LDP;
typedef complex<ld> Point;
const ll mod = 1000000007;
const ll INF = mod*mod;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)

ll c[60] = {};
void solve() {
	int n; cin >> n;
	
	rep(i, n) {
		ll k, l; int d; cin >> k >> l >> d;
		rep(j, 60) {
			if (l&((ll)1 << j)) {
				c[j] += k; c[j] %= 2;
			}
			if (j < d)continue;
			int dif = j - d;
			if (dif == 0) {
				if (k % 4 == 2 || k % 4 == 3)c[j] ^= 1;
				continue;
			}
			ll cop = l;
			cop >>= d;ll z = (ll)1 << dif;
			cop %= z;
			cop = z - cop;
			ll r = k - cop;
			if (r < 0)continue;
			r = r % (2*z);
			if (r >= z)continue;
			else if (r % 2) {
				c[j] ^= 1;
			}
		}
	}
	ll ans = 0;
	rep(j, 60) {
		if (c[j]) {
			ans += (ll)1 << j;
		}
	}
	cout << ans << endl;
}
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	solve();
	//stop
	return 0;
}