#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define int long long
using namespace std;
const int sz = 3e3 + 5;
int n, m, orb[sz][sz], ing[sz][sz];
string s[sz];
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++)
{
cin >> s[i];
for(int j = 0; j < m; j++)
{
if(s[i][j] == 'O') orb[i][j] = 1;
if(s[i][j] == 'I') ing[i][j] = 1;
}
}
for(int i = 0; i < n; i++)
{
for(int j = m - 1; j >= 0; j--)
{
orb[i][j] += orb[i][j + 1];
}
}
for(int i = 0; i < m; i++)
{
for(int j = n - 1; j >= 0; j--)
{
ing[j][i] += ing[j + 1][i];
}
}
int ans = 0;
for(int i = 0; i < n; i++)
{
for(int j = 0; j < m; j++)
{
if(s[i][j] == 'J') ans += orb[i][j + 1] * ing[i + 1][j];
}
}
cout << ans;
}
