#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using ll = long long;
int n, m, O[3000][3000], I[3000][3000];
ll ans;
string s;
vector<pii> J;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for (int i = 0; i < n; i++) {
cin >> s;
for (int j = 0; j < m; j++) {
if (s[j] == 'J') J.push_back({i, j});
else if (s[j] == 'O') O[i][j]++;
else if (s[j] == 'I') I[i][j]++;
}
}
for (int i = 0; i < n; i++) for (int j = m-1; j > 0; j--) {
int l = (j & (j+1)) - 1;
if (l >= 0) O[i][l] += O[i][j];
}
for (int j = 0; j < m; j++) for (int i = n-1; i > 0; i--) {
int l = (i & (i+1)) - 1;
if (l >= 0) I[l][j] += I[i][j];
}
for (const auto &[x, y]: J) {
int a = 0, b = 0;
for (int j = y; j < m; j = j | (j+1)) a += O[x][j];
for (int i = x; i < n; i = i | (i+1)) b += I[i][y];
ans += (ll) a * b;
}
cout << ans;
}
