#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
vector<string> s(n);
for (int i = 0; i < n; i++) {
cin >> s[i];
}
vector<vector<int>> a(n + 1, vector<int>(m + 1));
vector<vector<int>> b(n + 1, vector<int>(m + 1));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
a[i][j + 1] = a[i][j] + (s[i][j] == 'O');
b[i + 1][j] = b[i][j] + (s[i][j] == 'I');
}
}
int64_t ans = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (s[i][j] == 'J') {
ans += (a[i][m] - a[i][j]) * (b[n][j] - b[i][j]);
}
}
}
cout << ans << '\n';
return 0;
}
