#include <iostream>
using namespace std;

int main() {
    int n;
    cin >> n;

    int max_points = 0;
    for(int i = 0; i < n; i += 1) {
        int wins, draws, losses;
        cin >> wins >> draws >> losses;

        int points = wins * 3 + draws;

        if(points > max_points) {
            max_points = points;
        }

    }
    cout << max_points << endl;
    return 0;
}