#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vll vector<ll>
#define vbool vector<bool>
#define pairll pair<ll, ll>
#define pb push_back
#define fi first
#define sc second
void solve(){
ll n, m; cin >> n >> m;
string s;
vector<vll> jew(n+1, vll(m+1)), orb(n+1, vll(m+1)), ing(n+1, vll(m+1));
for(ll i = 1; i <= n; i++){
cin >> s;
for(ll j = 1; j <= m; j++){
orb[i][j] = orb[i][j-1];
ing[i][j] = ing[i-1][j];
if(s[j-1] == 'J'){
jew[i][j] = 1;
}else if(s[j-1] == 'O'){
orb[i][j]++;
}else{
ing[i][j]++;
}
}
}
ll res = 0;
for(ll i = 1; i <= n; i++){
for(ll j = 1; j <= m; j++){
if(!jew[i][j])continue;
res += (orb[i][m] - orb[i][j]) * (ing[n][j] - ing[i][j]);
}
}cout << res << endl;
}
int main(){
ll t = 1; //cin >> t;
while(t--)solve();
}
