#include <iostream>

using namespace std;

typedef long long LL;

LL CalcXor(LL k, LL l, int d) {
    LL ret = 0;
    LL step = 1LL << d; // 公差
    LL i = 0LL;
    while (i < k && ((l >> d) + i) % 4 != 0) {
        ret ^= l + i * step;
        ++i;
    }
    
    LL tail = (k - i) % 4;
    for (LL j = k - tail; j < k; ++j){
        ret ^= l + j * step;
    }

    return ret;
}

int main() {
    int n;
    scanf("%d", &n);

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

    return 0;
}