#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e5 + 2;
int mod = 1000000007;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n, m;
cin >> n >> m;
vector<string> a(n);
vector<vector<int>> b(n, vector<int>(m)), c(n, vector<int>(m));
for (int i = 0; i < n; i++) {
cin >> a[i];
}
ll ans = 0;
for (int i = n - 1; i >= 0; i--) {
for (int j = m - 1; j >= 0; j--) {
if (a[i][j] == 'O') b[i][j] = 1;
if (a[i][j] == 'I') c[i][j] = 1;
if (j < m - 1) b[i][j] += b[i][j + 1];
if (i < n - 1) c[i][j] += c[i + 1][j];
if (a[i][j] == 'J') ans += b[i][j] * c[i][j];
}
}
cout << ans << en;
return 0;
}
