#include <cstdio>
#include <iostream>
#include <vector>
typedef long long ll;
typedef unsigned long long ull;
#define REP(i,a,b) for(ll (i)=a;(i)<(ll)(b);++(i))
#define rep(i,n) REP(i,0,n)
using namespace std;
const ull cycle_per_sec = 2800000000;
ull begin_cycle;
ull get_cycle(){
	unsigned int low, high;
	__asm__ volatile ("rdtsc" : "=a" (low), "=d" (high));
	return ((ull) low) | ((ull) high << 32);
}
double get_time(){
	return (double) (get_cycle() - begin_cycle)/cycle_per_sec;
}

int main(){
	//std::ios::sync_with_stdio(false);std::cin.tie(0);
	int N;
	scanf("%d",&N);
	vector<ll> k(N), l(N);
	vector<int> d(N);
	rep(i, N) scanf("%lld%lld%d",&k[i],&l[i],&d[i]);
	ll x = 0;
	begin_cycle = get_cycle();
	double t = get_time();
	rep(i, N){
		ll K = k[i], L = l[i], D = d[i];
		ll L2 = L>>D;
		while(K>0 && L2%4!=0){
			x ^= L;
			L += 1LL<<D;
			L2++;
			K--;
		}
		while(K%4!=0){
			x ^= L+((K-1)<<D);
			K--;
		}
	}
	cerr<<t<<endl;
	cout<<x<<endl;
	return 0;
}