#include <iostream>

using namespace std;

int main(int argc, char* argv[])
{
    int height_map[100*100];

    for(int i = 0; i < 100; i++)
    {
        string in;
        cin >> in;
        for(int j = 0; j < 100; j++)
        {
            height_map[j+i*100] = (int)in[j]-(int)'0';
        }
    }

    int result = 0;
    for(int i = 0; i < 100*100; i++)
    {
        if (i-100 >= 0 && height_map[i-100] <= height_map[i])
        {
            continue;
        }
        if (i+100 < 100*100 && height_map[i+100] <= height_map[i])
        {
            continue;
        }
        if (i-1 >= 0 && height_map[i-1] <= height_map[i])
        {
            continue;
        }
        if (i+1 < 100*100 && height_map[i+1] <= height_map[i])
        {
            continue;
        }
           
        result += height_map[i]+1;
    }

    cout << result << endl;

    return 0;
}