#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>
#define fi first
#define sec second
#define ld long double
const ll N = 2e5;
const ll INF = 4e18;
const ll MOD = 1e9 + 7;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int tc = 1;
// cin >> tc;
for(;tc--;){
ll n, m; cin >> n >> m;
vector<vector<ll>> sf1(n + 5, vector<ll>(m + 5)), sf2(n + 5, vector<ll>(m + 5));
vector<vector<char>> grid(n + 5, vector<char>(m + 5));
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> grid[i][j];
}
}
for(int i = 1; i <= n; i++){
for(int j = m; j >= 1; --j){
sf1[i][j] = sf1[i][j + 1] + (grid[i][j] == 'O');
}
}
for(int j = 1; j <= m; j++){
for(int i = n; i >= 1; --i){
sf2[i][j] = sf2[i + 1][j] + (grid[i][j] == 'I');
}
}
ll ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(grid[i][j] == 'J') ans += sf1[i][j] * sf2[i][j];
}
}
cout << ans << "\n";
}
}
/*
*/
