#include<bits/stdc++.h>
using namespace std;
string S[1010];
int xx[8]={-1,-1,-1,0,0,1,1,1};
int yy[8]={-1,0,1,-1,1,-1,0,1};
string ss = "gshs";
int f(int a, int b){
	int s=0,i,j,ii,jj;
	for(i=0;i<8;i++){
		ii = a;
		jj = b;
		for(j=0;j<4;j++){
			//cout <<ss[j] <<" "<<S[ii][jj] <<",";
			if(ss[j]!=S[ii][jj]) break;
			ii = ii + xx[i];
			jj = jj + yy[i];
		}
		if(j==4)s++;
	}
	return s;
}
int main(){
	int n, i, j,s=0;
	cin >> n;
	for (i=1;i<=n;i++){
		cin >> S[i];
		S[i]= '0'+S[i];
	} 
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			if(S[i][j]=='g'){
				s = s + f(i,j);
			}
		}
	}
	cout << s;
}