#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0;i<((int)(n));i++)
#define reg(i,a,b) for(int i = ((int)(a));i<=((int)(b));i++)
#define irep(i,n) for(int i = ((int)(n)-1);i>=0;i--)
#define ireg(i,a,b) for(int i = ((int)(b));i>=((int)(a));i--)
typedef long long ll;

/*
AC
全てのカードのxorはx
*/

ll n,k[300010],l[300010],d[300010],ans=0;

ll f(ll x){
	if(x%4==0)return x;
	if(x%4==1)return 1;
	if(x%4==2)return x+1;
	return 0;
}

void init(){
	cin>>n;
	rep(i,n)cin>>k[i]>>l[i]>>d[i];
}

int main(void){
	init();
	rep(i,n){
		ll ue = l[i]>>d[i];
		ans = ans ^ (f(ue + k[i]-1) ^ f(ue-1))*(1<<d[i]) ^ (k[i]%2?(ue<<d[i])^l[i]:0);
	}
	cout<<ans<<endl;
	return 0;
}