#include <bits/stdc++.h>
using namespace std;
const int N = 3005;
int n, m, row[N][N], col[N][N];
char a[N][N];
long long ans = 0;
int main(){
ios::sync_with_stdio(false); 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];
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) row[i][j] = row[i][j - 1] + (a[i][j] == 'O');
for (int i = 1; i <= m; i++) for (int j = 1; j <= n; j++) col[i][j] = col[i][j - 1] + (a[j][i] == 'I');
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J') ans += 1LL * (row[i][m] - row[i][j]) * (col[j][n] - col[j][i]);
}
}
cout << ans;
return 0;
}
