#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
const int sz = 3e3;
int r[sz][sz], c[sz][sz];
void solve(){
int h, w;
cin >> h >> w;
char a[h][w];
for(int i =0 ; i <h;i ++){
for(int j =0 ; j <w;j ++){
cin>>a[i][j];
}
}
for(int i =0 ; i < h;i ++){
for(int j = w - 2 ; j >= 0; j --){
r[i][j] = r[i][j + 1];
if(a[i][j + 1] == 'O')
r[i][j] ++;
}
}
for(int j =0 ; j < w; j ++){
for(int i = h - 2 ; i >= 0;i --){
c[i][j] = c[i + 1][j];
if(a[i + 1][j] == 'I')
c[i][j] ++;
}
}
int ans = 0;
for(int i =0 ; i < h;i ++){// k > i, l > j
for(int j =0 ; j < w;j ++){
if(a[i][j] == 'J'){
ans += r[i][j] * c[i][j];
}
}
}
cout<<ans<<endl;
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
//cin >> T;
while(T--) solve();
}
