#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3005;
char a[N][N], O[N][N], I[N][N];
signed main() {
int n, m; 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=m; j>=1; j--)
O[i][j] = O[i][j+1] + (a[i][j] == 'O');
for(int j=1; j<=m; j++)
for(int i=n; i>=1; i--)
I[i][j] = I[i+1][j] + (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 += (ll)O[i][j] * I[i][j];
cout << ans << '\n';
}
