#include <iostream>
#include <vector>
#include <string>
using namespace std;
int rze[3007][3007];
int kol[3007][3007];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int h, w;
cin >> h >> w;
vector<string> tab(h);
for (int i = 0; i < h; i++) cin >> tab[i];
for (int i = 0; i < h; i++) {
rze[i][w] = 0;
for (int j = w - 1; j >= 0; j--) {
rze[i][j] = rze[i][j + 1] + (tab[i][j] == 'O' ? 1 : 0);
}
}
for (int j = 0; j < w; j++) {
kol[h][j] = 0;
for (int i = h - 1; i >= 0; i--) {
kol[i][j] = kol[i + 1][j] + (tab[i][j] == 'I' ? 1 : 0);
}
}
long long wynik = 0;
for(int i = 0; i < h; i++){
for(int j = 0; j < w; j++){
if(tab[i][j] == 'J'){
wynik += (long long) rze[i][j + 1] * kol[i + 1][j];
}
}
}
cout << wynik << "\n";
}
