#include<bits/stdc++.h>
using namespace std;
int x,y,z,ans;
char a[505][505];
int main(){
	cin>>x>>y;
	for(int i=0;i<x;i++){
		for(int j=0;j<y;j++){
			cin>>a[i][j];
		}
	}
	for(int i=0;i<x;i++){
		for(int j=0;j<y;j++){
			if(a[i][j]=='0'){
				ans=0;
				if(a[i+1][j]=='*')ans++;
				if(a[i-1][j]=='*')ans++;
				if(a[i][j+1]=='*')ans++;
				if(a[i][j-1]=='*')ans++;
				if(ans==4)z++;
			}
		}
	}
	cout<<z;
	return 0;
}

/**************************************************************
	Problem: 1913
	User: xiaohongyi
	Language: C++
	Result: Wrong Answer
****************************************************************/