#include<bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define int long long
using namespace std;
const int maxn = 5e5;
const int inf = 1e18;
signed main() {
int n, m;
cin >> n >> m;
string S[n];
for(int i = 0; i < n; i++){
cin >> S[i];
}
vector<int> T(n + 1), F(m + 1);
vector<vector<int>> dp(n, vector<int>(m));
int ans = 0;
for(int i = n - 1; i >= 0; i--){
for(int j = m - 1; j >= 0; j--){
if(S[i][j] == 'J'){
ans += T[i] * F[j];
}
else if(S[i][j] == 'O'){
T[i] += 1;
}
else{
F[j] += 1;
}
}
}
cout << ans;
}
