#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 3005
#define oo 1e18
#define mod 1000000007
#define fast_in ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(0);
using namespace std;
typedef long long ll;
#define pll pair<ll , ll>
#define vll vector<ll>
#define vvll vector<vll>
#define vpll vector<pll>
ll o[MAX][MAX],t[MAX][MAX],n,m;
string s[MAX];
int main(){
fast_in
cin>>n>>m;
for(int i=0;i<n;i++){
cin>>s[i];
for(int j=m-1;j>=0;j--){
o[i][j]=o[i][j+1];
if(s[i][j]=='O')o[i][j]++;
}
}
for(int j=m-1;j>=0;j--){
for(int i=n-1;i>=0;i--){
t[i][j]=t[i+1][j];
if(s[i][j]=='I')t[i][j]++;
}
}ll r=0;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(s[i][j]=='J'){
r+=o[i][j]*t[i][j];
}
}
}cout<<r;
return 0;
}
