#include<bits/stdc++.h>
#define ll unsigned long long
using namespace std;
const int N=3001;
int n,m;
ll cnt;
string mp[N],s;
ll O[N][N],I[N][N];
int main(){
ios_base::sync_with_stdio(0),cin.tie(0);
cin >> n >> m;
for(int i=1; i<=n; i++){
cin >> s;
mp[i]="x"+s;
}
for(int i=1; i<=n; i++){
for(int j=m; j>=1; j--){
O[i][j]+=O[i][j+1];
if(mp[i][j]=='O')O[i][j]++;
}
}
for(int j=1; j<=m; j++){
for(int i=n; i>=1; i--){
I[i][j]+=I[i+1][j];
if(mp[i][j]=='I')I[i][j]++;
}
}
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(mp[i][j]=='J'){
cnt+=O[i][j]*I[i][j];
}
}
}
cout << cnt;
return 0;
}
/*
J--O
| /
I
*/
