#include <bits/stdc++.h>
#define sz(c) int(c.size())
#define rep(i,a,b) for (int i=a; i<(b); ++i)
#define per(i,a,b) for (int i=(b)-1; i>=(a); --i)
#define fore(c,...) for (auto __VA_ARGS__:(c))
using namespace std;
typedef long long ll;
int main() {
cin.tie(0);
ios_base::sync_with_stdio(0);
cout<<fixed<<setprecision(10);
int N,M;
cin>>N>>M;
vector<string> map(N);
rep(i,0,N) cin>>map[i];
int res=0;
rep(i,0,N) {
rep(j,0,M) {
if (map[i][j]=='*'&&(i==0||map[i-1][j]=='.')&&(j==0||map[i][j-1]=='.')) res++;
}
}
cout<<res<<'\n';
}