#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <set>
#include <unordered_map>
#include <map>
#include <string>
using namespace std;
int main()
{
    vector<vector<int>> v(4, vector<int>(4));
    vector<int> col(4);
    for(int i= 0 ; i < 4; i++)
    {
        for(int j = 0; j < 4; j++)
        {
            cin >> v[i][j];
            if(v[i][j] == 1)
            {
                if(((i == 0 || i == 1) && ((j == 0) || (j == 1))))
                {
                    col[0]++;
                }
                else if((i == 0 || i == 1) && ((j == 2) || (j == 3)))
                {
                    col[1]++;
                }
                else if((i == 2 || i == 3) && (j == 0 || j == 1))
                {
                    col[2]++;
                }
                else
                {
                    col[3]++;
                }
            }
        }
    }
    cout << min(min(col[1] + col[2] + col[3] + col[3], col[2] + col[0] + col[2] + col[3]), min(col[1] + col[2] + col[0] + col[0], col[0] + col[3] + col[1] + col[1]));

}