#include <bits/stdc++.h>
using namespace std;
using ull = unsigned long long;
#define int long long
void solve() {
int n, m;
cin >> n >> m;
vector <string> val(n);
for (int i = 0; i < n; ++i) {
cin >> val[i];
}
int ans = 0;
vector <vector <int>> up(n, vector <int> (m));
vector <vector <int>> left(n, vector <int> (m));
for (int i = 0; i < n; ++i) {
for (int j = m - 2;j >= 0; --j) {
left[i][j] = left[i][j + 1];
if (val[i][j + 1] == 'O') {
++left[i][j];
}
}
}
for (int i = n - 2; i >= 0; --i) {
for (int j = 0; j < m; ++j) {
up[i][j] = up[i + 1][j];
if (val[i + 1][j] == 'I') {
++up[i][j];
}
}
}
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
if (val[i][j] == 'J') {
// cout << i << " " << j << " " << up[i][j] << " " << left[i][j] << '\n';
ans += up[i][j] * left[i][j];
}
}
}
cout << ans << '\n';
}
signed main() {
cin.tie(0);
ios::sync_with_stdio(false);
int t = 1;
// cin >> t;
solve();
}
