#include <iostream>
#include<algorithm>
#include<cmath>
using namespace std;
int main() {
  int n,ans=0;
  string s;
  cin >> n >> s;
  for(int i=0; i<n-1; i++) {
    if(s[i]=='#'&&s[i+1]=='.') {
      ans++;
      s[i+1]=='#';
    }
    cout << ans << endl;
}