#include <bits/stdc++.h>
#define ll long long int
#define pll pair<ll, ll>
#define F first
#define S second
#define mp make_pair
#define pb push_back
#define F0R(i, n) for(auto i = 0; i < (n); i++)
#define FOR(i, a, b) for(auto i = (a); i <= (b); i++)
#define ROF(i, a, b) for(auto i = (a); i >= (b); i--)
using namespace std;
int main()
{
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n, m; cin >> n >> m;
string a[n]; F0R(i, n) cin >> a[i];
int preo[n + 5][m + 5], prei[n + 5][m + 5];
memset(preo, 0, sizeof(preo));
memset(prei, 0, sizeof(prei));
F0R(i, n) {
ROF(j, m - 1, 0) {
preo[i][j] = preo[i][j + 1] + (a[i][j] == 'O');
}
}
F0R(j, m) {
ROF(i, n - 1, 0) {
prei[i][j] = prei[i + 1][j] + (a[i][j] == 'I');
}
}
ll ans = 0;
F0R(i, n) {
F0R(j, m) {
if(a[i][j] == 'J') {
ans += prei[i][j] * preo[i][j];
}
}
}
cout << ans;
}
