#include <bits/stdc++.h>   using namespace std;   const int SIZE = 1e2 + 5;   int main() {     int n, m, c;     string s[SIZE], extract, f;     c = 0, f =  acef ;     cin >> n >> m;     for (int i = 0; i < n; i++) cin >> s[i];     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         extract.push_back(s[i][j]);         extract.push_back(s[i + 1][j]);         extract.push_back(s[i][j + 1]);         extract.push_back(s[i + 1][j + 1]);         sort(extract.begin(), extract.end());         if (extract == f) c++;         extract.clear();       }     }     cout << c << endl;     return 0;   }   