#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define f first
#define s second
int main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
int n, m; cin >> n >> m;
vector<string> grid(n);
for (int i=0; i<n; i++) {
cin >> grid[i];
}
vector<vector<int>> ingots(m, vector<int>(n));
for (int j=0; j<m; j++) {
ingots[j][n-1] = 0;
for (int i=n-2; i>=0; i--) {
ingots[j][i] = ingots[j][i+1] + (grid[i+1][j] == 'I');
}
}
vector<vector<int>> orbs(n, vector<int>(m));
for (int i=0; i<n; i++) {
orbs[i][m-1] = 0;
for (int j=m-2; j>=0; j--) {
orbs[i][j] = orbs[i][j+1] + (grid[i][j+1] == 'O');
}
}
ll ans=0;
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
if (grid[i][j] == 'J') {
ans += (orbs[i][j]*ingots[j][i]);
}
}
}
cout << ans << "\n";
}
