#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef long long ll;
typedef pair<int,int> ii;
const int N = 3e3;
int n, m;
char a[N+2][N+2];
ll orb[N+2][N+2], ing[N+2][N+2];
int main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> a[i][j];
orb[i][j] = orb[i][j-1] + (a[i][j] == 'O');
ing[j][i] = ing[j][i-1] + (a[i][j] == 'I');
}
}
ll ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J') {
ans += (orb[i][m]-orb[i][j])*(ing[j][n]-ing[j][i]);
}
}
}
cout << ans << '\n';
return 0;
}
