#include <bits/stdc++.h>
// solved by bekagg
#define int long long
#define ent '\n'
#define pb push_back
#define all(x) x.begin(),x.end()
#define PRaim_bek_abi ios_base::sync_with_stdio(0);cin.tie(0);
using namespace std;
const int N = 3e3+5;
const int MOD = 1e9+7;
int n , m , c[N][N][2];
char a[N][N];
void arkanefury228(){
cin >> n >> m;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++) cin >> a[i][j];
}
for (int j = 1; j <= m; j++){
int cnt = 0;
for (int i = n; i >= 1; i--){
if (a[i][j] == 'I') cnt++;
c[i][j][0] = cnt;
}
}
for (int i = 1; i <= n; i++){
int cnt = 0;
for (int j = m; j >= 1; j--){
if (a[i][j] == 'O') cnt++;
c[i][j][1] = cnt;
}
}
int ans = 0;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
if (a[i][j] == 'J') ans += c[i][j][0] * c[i][j][1];
}
}
cout << ans;
}
signed main(){
PRaim_bek_abi
int t=1;
//cin>>t;
for (int respagold = 1; respagold <= t; respagold++) arkanefury228();
}
