#include <iostream>

using namespace std;

typedef long long LL;

int n, d;
LL k, l, ans, ll;

int main() {
    // freopen("card.in", "r", stdin);
    // freopen("card.out", "w", stdout);

    scanf("%d", &n);
    ans = 0LL;
    for (int i = 1; i <= n; ++i) {
        scanf("%lld%lld%d", &k, &l, &d);
        ll = l >> d;
        while (k > 0 && ll % 4) {
            ans ^= l;
            l += 1 << d;
            ++ll;
            --k;
        }
        while (k % 4) {
            ans ^= l + (--k << d);
        }
    }
    printf("%lld\n", ans);

    return 0;
}