#include <stdlib.h>
#include <stdio.h>
#include <string.h>

static char *ReadLine(char *p, size_t size, FILE *fp)
{
    if ((p=fgets(p, size, fp)))
    {
        size_t l = strlen(p);

        while(l && p[l-1] == '\n')
        {
            p[--l] = 0;
        }
    }

    return p;
}

static int Increment(char octo[10][10], int x, int y)
{
    if (x >= 0 && x < 10 && y >=0 && y < 10)
    {
        if (octo[y][x] != 10)
        {
            octo[y][x]++;

            return octo[y][x] == 10;
        }
        else
        {
            return 0;
        }
    }
    else
    {
        return 0;
    }
}

static void Flash(char octo[10][10], int x, int y)
{
    int f,n;

    for(f = -1; f < 2; f++)
    {
        for(n = -1; n < 2; n++)
        {
            if (Increment(octo, x + f, y + n))
            {
                Flash(octo, x + f, y + n);
            }
        }
    }
}

int main(void)
{
    char octo[10][10] = {0};
    char toflash[10][10] = {0};
    char buff[0x8000] = {0};
    int flashes = 0;
    int f = 0;
    int y = 0;
    int x = 0;

    y = 0;

    while(ReadLine(buff, sizeof buff, stdin))
    {
        for(f = 0; f < 10; f++)
        {
            octo[y][f] = buff[f] - '0';
        }

        y++;
    }

    for(f = 0; f < 100; f++)
    {
        for(y = 0; y < 10; y++)
        {
            for(x = 0; x < 10; x++)
            {
                octo[y][x]++;
            }
        }

        for(y = 0; y < 10; y++)
        {
            for(x = 0; x < 10; x++)
            {
                toflash[y][x] = octo[y][x] == 10;
            }
        }

        for(y = 0; y < 10; y++)
        {
            for(x = 0; x < 10; x++)
            {
                if (toflash[y][x])
                {
                    Flash(octo, x, y);
                }
            }
        }

        /*
        if (f == 1)
        {
            for(y = 0; y < 10; y++)
            {
                for(x = 0; x < 10; x++)
                {
                    if (octo[y][x] == 10)
                    {
                        printf("*");
                    }
                    else
                    {
                        printf("%d", (int)octo[y][x]);
                    }
                }
                printf("\n");
            }
        }
        */

        for(y = 0; y < 10; y++)
        {
            for(x = 0; x < 10; x++)
            {
                if (octo[y][x] == 10)
                {
                    flashes++;
                    octo[y][x] = 0;
                }
            }
        }
    }

    printf("flashes = %d\n", flashes);

    return 0;
}