#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define ll long long
using namespace std;
ll const N=3005;
ll l,r,x,y,z,ans,t,n,q,mx,mn,k,O[N][N],I[N][N];
char a[N][N];
ll m;
bool ok,okk;
string s,s1;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin >> n >> m;
for (int i=1; i<=n; i++){
for (int j=1; j<=m; j++){
cin>>a[i][j];
}
}
for (int i=1; i<=n; i++){
O[i][m+1]=0;
for (int j=m; j>=1; j--){
O[i][j]=O[i][j+1];
if (a[i][j]=='O') O[i][j]++;
}
}
for (int j=1; j<=m; j++){
I[n+1][j]=0;
for (int i=n; i>=1; i--){
I[i][j]=I[i+1][j];
if (a[i][j]=='I') I[i][j]++;
}
}
for (int i=1; i<=n; i++){
for (int j=1; j<=m; j++){
if (a[i][j]!='J') continue;
ans+=O[i][j]*I[i][j];
}
}
cout<<ans<<endl;
}
