#include <bits/stdc++.h>
using namespace std;
const int N = 3005;
int n, m;
string arr[N];
int qsO[N][N], qsI[N][N];
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for( int i=1;i<=n;i++ )
{
cin >> arr[i];
for( int j=m;j>0;j-- )
{
qsO[i][j] = qsO[i][j+1]+(arr[i][j-1]=='O');
}
}
for( int j=1;j<=m;j++ )
{
for( int i=n;i>0;i-- )
{
qsI[i][j] = qsI[i+1][j]+(arr[i][j-1]=='I');
}
}
int ans = 0;
for( int i=1;i<=n;i++ )
{
for( int j=1;j<=m;j++ )
{
if( arr[i][j-1] == 'J' ) ans += (qsO[i][j]*qsI[i][j]);
}
}
cout << ans << "\n";
}
