// naive solution
#include <cstdio>
#include <iostream>
typedef long long ll;
#define REP(i,a,b) for(ll (i)=a;(i)<(ll)(b);++(i))
#define rep(i,n) REP(i,0,n)

int main(){
	ll N;
	scanf("%lld", &N);
	ll x = 0;
	rep(i, N){
		ll K, L, D;
		scanf("%lld%lld%lld", &K, &L, &D);
		rep(i, K) x ^= L+i*(1LL<<D);
	}
	printf("%lld\n", x);
	return 0;
}