#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define db double
using namespace std;
ll n,m;
ll pref1[3001][3001];
ll pref2[3001][3001];
string s[3001];
int main(){
cin>>n>>m;
for(ll i=1;i<=n;i++){
s[i].push_back('@');
for(ll j=1;j<=m;j++){
char c;
cin>>c;
s[i].push_back(c);
}
}
for(ll i=1;i<=n;i++){
for(ll j=1;j<=m;j++){
pref1[i][j]=pref1[i][j-1];
if(s[i][j]=='O')
pref1[i][j]++;
}
}
for(ll j=1;j<=m;j++){
for(ll i=1;i<=n;i++){
pref2[i][j]=pref2[i-1][j];
if(s[i][j]=='I')
pref2[i][j]++;
}
}
ll ans=0;
for(ll i=1;i<=n;i++){
for(ll j=1;j<=m;j++){
if(s[i][j]!='J')
continue;
ll r1=pref1[i][m]-pref1[i][j-1];
ll r2=pref2[n][j]-pref2[i-1][j];
ans+=r1*r2;
}
}
cout<<ans;
return 0;
}
