#include <iostream>

using namespace std;

typedef long long LL;

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

LL Calc() {
    LL ret = 0LL;
    LL ll = l >> d, kk = k, pw = 1LL << d;
    for (LL i = ll; (i % 4 != 0 || i == 0) && i < ll + k; ++i) {
        ret ^= l + pw * (i - ll);
        --kk;
    }
    for (LL i = ll + k - kk % 4; i < ll + k; ++i) ret ^= l + pw * (i - ll);
    return ret;
}

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

    scanf("%d", &n);
    while (n--) {
        scanf("%lld%lld%d", &k, &l, &d);
        ans ^= Calc();
    }

    printf("%lld\n", ans);
    
    return 0;
}