#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define fs first
#define sc second
using namespace std;
int h, w;
const int maxw = 3005;
int cntj[maxw];
string s[maxw];
signed main() {
cin >> h >> w;
for (int i = 0; i < h; i++){
cin >> s[i];
}
long long ans = 0;
for (int i = 0; i < w; i++){
cntj[i] = 0;
}
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (s[i][j] == 'O') {
for (int k = 0; k < j; k++) {
if (s[i][k] == 'J') {
cntj[k]++;
}
}
}
}
for (int j = 0; j < w; j++) {
if (s[i][j] == 'I') {
ans += cntj[j];
}
}
}
cout << ans << endl;
}
