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

/**************************************************************
	Problem: 1913
	User: suzhaohong
	Language: C
	Result: Compile Error
****************************************************************/