#include <fstream.h>

char c[202][202];

typedef arr, byte[40000];

unsigned short first,last;

int n,m,i,j,coun;

arr *ii, *jj;

void put(int i, int j)
{
  if (c[i][j] == '#')
    {
      last++;
      ii[last] = i;
      jj[last] = j;
      c[i][j] = '.';
    }
}

void get(int *i, int *j)
{
  *i = ii[first];
  *j = jj[first];
  first++;
}

void paint(int i, int j)
{
  first = 1;
  last = 0;
  put(i,j);
  while (first<=last)
    {
      get(&i,&j);
      put(i+1,j);
      put(i-1,j);
      put(i,j+1);
      put(i,j-1);
    }
}

void main()
{
  ii = new arr;
  jj = new arr;
  ifstream input("beds.in");
  ofstream output("beds.out");
  input >> n;
  input >> m;
  for (i = 0; i <= n+1; i++)
    for (j = 0; j <= m+1; j++)
      c[i][j] = '.';
  for (i = 1; i <= n; i++)
    {
      for (j = 1; j <= m; j++)
        input >> c[i][j];
    }
  coun = 0;
  for (i = 1; i <= n; i++)
    for (j = 1; j <= m; j++)
      if (c[i][j] == '#')
        {
          paint(i,j);
          coun++;
        }
/*  delete[] ii;
  delete[] jj;  */
  output << coun;
}