#include <iostream>
using namespace std;
int main()
{

	int n, a, b, c, max = 0, min_dif = 10001, min_dif_temp = 10001, sum = 0;

	cin >> n;
	while (n) {
		cin >> a >> b >> c;

		if (a >= b and a >= c) {
			max = a;

			if ((max - b) % 4 != 0)
				min_dif_temp = max - b;
			if (((max - c) % 4 != 0) and ((max - c) < min_dif_temp))
				min_dif_temp = max - c;

		}

		else if (b >= a and b >= c) {
			max = b;

			if ((max - a) % 4 != 0)
				min_dif_temp = max - a;
			if (((max - c) % 4 != 0) and ((max - c) < min_dif_temp))
				min_dif_temp = max - c;
		}

		else if (c >= a and c >= b) {
			max = c;

			if ((max - b) % 4 != 0)
				min_dif_temp = max - a;
			if (((max - b) % 4 != 0) and ((max - b) < min_dif_temp))
				min_dif_temp = max - b;
		}

		if (min_dif_temp <= min_dif and min_dif_temp % 4 != 0)
			min_dif = min_dif_temp;

		min_dif_temp = 10001;
		sum += max;
		max = 0;
		n--;
	}

	if (sum % 4 == 0)
		if (min_dif != 10001)
			sum -= min_dif;
		else {
			cout << 0;
			return 0;
		}

	if (sum % 4 == 0)
		cout << 0;
	else
		cout << sum;

}