#include <bits/stdc++.h>
using namespace std;
#define ll long long
int pref[4][3050][3050];
signed main()
{
int n,m;cin>>n>>m;
int a[n+1][m+1];
for(int i=1;i<=n;i++)
{
string s;cin>>s;
for(int j=0;j<m;j++)
{
if(s[j]=='J') a[i][j+1]=0;
if(s[j]=='O') a[i][j+1]=1;
if(s[j]=='I') a[i][j+1]=2;
}
}
memset(pref,0,sizeof(pref));
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
for(int k=0;k<=2;k++) pref[k][i][j]=pref[k][i-1][j]+pref[k][i][j-1]-pref[k][i-1][j-1];
pref[a[i][j]][i][j]++;
}
}
ll res=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(a[i][j]!=0) continue;
ll x=pref[1][i][m]-pref[1][i-1][m]-pref[1][i][j]+pref[1][i-1][j];
ll y=pref[2][n][j]-pref[2][n][j-1]-pref[2][i][j]+pref[2][i][j-1];
res+=x*y;
}
}
cout<<res;
return 0;
}
