#include<bits/stdc++.h>
using namespace std;
char c[110][110];
int n,m,yu; 
int dx[12]={1,0,1,-1,1,-1,0,-1,2,0,-2,0};
int dy[12]={0,1,1,-1,-1,0,-1,0,0,2,0,-2};
void dfs(int x,int y){
    c[x][y]='-';
    for(int i=0;i<=11;i++){
        int tx=x+dx[i];
        int ty=y+dy[i];
        if(c[tx][ty]=='#'&&tx>=1&&tx<=n&&ty>=1&&ty<=m){
            dfs(tx,ty);
        }
    }
}
int main(){
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>c[i][j];
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(c[i][j]=='#') dfs(i,j);
            yu++;
        }
    }
    cout<<yu;
    return 0;
}
/**************************************************************
	Problem: 1966
	User: zengdongxin
	Language: C++
	Result: Wrong Answer
****************************************************************/