#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int h, w; cin >> h >> w;
vector<string> x(h);
for(int i = 0; i < h; i++){
cin >> x[i];
}
vector<vector<int>> orb(h, vector<int>(w));
vector<vector<int>> ingot(h, vector<int>(w));
for(int i = 0; i < h; i++){
int co = 0;
for(int y = w-1; y >= 0; y--){
if(x[i][y] == 'O'){
co++;
}
orb[i][y] = co;
}
}
for(int y = 0; y < w; y++){
int co = 0;
for(int i = h-1; i >= 0; i--){
if(x[i][y] == 'I'){
co++;
}
ingot[i][y] = co;
}
}
int sum = 0;
for(int i = 0; i < h; i++){
for(int y = 0; y < w; y++){
if(x[i][y] == 'J'){
sum += ingot[i][y] * orb[i][y];
}
}
}
cout << sum << "\n";
return 0;
}
