#include <iostream>
#include <vector>

using namespace std;

int main()
{
    vector<int> fish(300);
    
    for(int i = 0; i < 300; i++) cin >> fish[i];
    
    for(int i = 0; i < 80; i++)
    {
        int new_fish_count = 0;
        
        for(int j = 0; j < fish.size(); j++)
        {
            if (--fish[j] < 0)
            {
                fish[j] = 6;
                new_fish_count++;
            }
        }
        
        vector<int> new_fish(new_fish_count, 8);
        
        fish.insert(fish.end(), new_fish.begin(), new_fish.end());
    }
    
    cout << fish.size() << endl;
    
    return 0;
}