#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> l_l;

#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))
//const ll mod = 1000000007;

ll g(ll K, ll L, ll D) {
    L = (L >> D);
    ll ret = 0;
    if(L % 2 == 1) {
        L--;
        K++;
    }
    for(ll i = (K / 4) * 4; i < K; i++) {
        ret ^= (L + i);
    }
    return (ret << D);
}

ll f(ll K, ll L, ll D) {
    ll buf = g(K, L, D);
    ll mask = 0;
    for(int i = 0; i < D; i++) {
        mask = (mask << 1) | (ll)1;
    }
    if(K % 2 == 0) mask = 0;
    return buf | (mask & L);
}

int main() {
    //cout.precision(10);
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll N;
    cin >> N;
    ll ans = 0;
    while(N--) {
        ll K, L, D;
        cin >> K >> L >> D;
        ans = ans ^ f(K, L, D);
    }
    cout << ans << endl;
    return 0;
}