#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve(){
int n, m; cin >> n >> m;
vector<vector<char>> c(n + 2, vector<char>(m + 2));
vector<vector<int>> cnto(n + 2, vector<int>(m + 2)), cnti(n + 2, vector<int>(m + 2));
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> c[i][j];
if(c[i][j] == 'O') cnto[i][j] = 1;
if(c[i][j] == 'I') cnti[i][j] = 1;
}
}
int ans = 0;
for(int i = n; i >= 1; i--){
for(int j = m; j >= 1; j--) cnti[i][j] += cnti[i + 1][j];
for(int j = m; j >= 1; j--) cnto[i][j] += cnto[i][j + 1];
for(int j = m; j >= 1; j--) ans += cnto[i][j] * cnti[i][j] * (c[i][j] == 'J');
}
cout << ans;
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
solve();
}
