#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int h, w;
cin >> h >> w;
vector<string> s(h);
for (int i = 0; i < h; i++) cin >> s[i];
vector<vector<int>> r(h, vector<int>(w, 0));
vector<vector<int>> d(h, vector<int>(w, 0));
for (int i = 0; i < h; i++) {
int cnt = 0;
for (int j = w - 1; j >= 0; j--) {
r[i][j] = cnt;
if (s[i][j] == 'O') cnt++;
}
}
for (int j = 0; j < w; j++) {
int cnt = 0;
for (int i = h - 1; i >= 0; i--) {
d[i][j] = cnt;
if (s[i][j] == 'I') cnt++;
}
}
long long ans = 0;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (s[i][j] == 'J') {
ans += 1LL * r[i][j] * d[i][j];
}
}
}
cout << ans << '\n';
return 0;
}
