#include <bits/stdc++.h>
#define int long long
using namespace std;
const int NMAX=3001;
int n, m;
char v[NMAX+1][NMAX+1];
int i_jos[NMAX+1][NMAX+1];
int o_dreapta[NMAX+1][NMAX+1];
signed main()
{
cin>>n>>m;
for(int i=1; i<=n; i++)
for(int j=1; j<=m; j++)
cin>>v[i][j];
for(int i=n; i>=1; i--)
for(int j=1; j<=m; j++)
{
i_jos[i][j]=i_jos[i+1][j];
if(v[i][j]=='I')++i_jos[i][j];
}
for(int i=1; i<=n; i++)
for(int j=m; j>=1; j--)
{
o_dreapta[i][j]=o_dreapta[i][j+1];
if(v[i][j]=='O')++o_dreapta[i][j];
}
int ans=0;
for(int i=1; i<=n; i++)
for(int j=1; j<=m; j++)
if(v[i][j]=='J')
ans+=i_jos[i][j]*o_dreapta[i][j];
cout<<ans;
return 0;
}
