#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)n;i++)
typedef long long ll;
int calc(ll s,ll m){
	ll p = 1LL<<(m+1);
	ll k = s/p;
	ll cnt = k*(1LL<<m)%2;
	ll zz = s%p;
	zz = max(zz-(1LL<<m)+1,0LL);
	return (cnt+zz)%2;
}

int main(){
	ll n;
	cin >> n;
	vector<ll> cnt(62);
	rep(i,n){
		ll k,l,d;
		scanf("%lld %lld %lld",&k,&l,&d);
		rep(j,61){
			if(j<d){
				if((l>>j)&1){
					cnt[j] += k%2;
				}
			}else{
				ll P = (l+(k-1)*(1<<d))>>d;
				ll PP = (l)>>d;
				if(PP>0)PP--;
				ll Q = j-d;
				int s = calc(P,Q)+calc(PP,Q);
				cnt[j] += s;
			}
			//cerr << j << " " << cnt[j] << endl;
		}
	}
	ll ans = 0;
	rep(i,61){
		if(cnt[i]%2==1){
			ans += 1LL<<i;
		}
	}
	cout << ans << endl;
	return 0;
}