#include <bits/stdc++.h>
#define int long long
#define float long double
#define pii pair<int, int>
#define tii tuple<int, int, int>
#define f first
#define s second
#define ve vector
#define emb emplace_back
#define em emplace
using namespace std;
const int inf = 1e18;
const int mod = 1e9 + 7;
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int h, w;
cin >> h >> w;
ve<string> a(h);
for (auto &e : a) cin >> e;
ve<ve<int>> x(h), y(w);
for (int i = 0; i < h; i++)
for (int j = 0; j < w; j++)
if (a[i][j] == 'O') x[i].emb(j);
for (int i = 0; i < w; i++)
for (int j = 0; j < h; j++)
if (a[j][i] == 'I') y[i].emb(j);
int ans = 0;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (a[i][j] != 'J') continue;
int xc = x[i].end() - lower_bound(x[i].begin(), x[i].end(), j);
int yc = y[j].end() - lower_bound(y[j].begin(), y[j].end(), i);
ans += xc * yc;
}
}
cout << ans;
}
