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