#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pll pair<long long, long long>
#define st string
#define fr first
#define sec second
#define pb push_back
#define beg begin
#define INF 1e18
#define MOD 1e9+7
int n, m;
char a[3000][3000];
int ai[3000][3000];
int ao[3000][3000];
void solve() {
cin >> n >> m;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> a[i][j];
}
}
for (int i = n - 1; i >= 0; i--) {
for (int j = m - 1; j >= 0; j--) {
ao[i][j] = (a[i][j] == 'O') + (j < m - 1 ? ao[i][j + 1] : 0);
ai[i][j] = (a[i][j] == 'I') + (i < n - 1 ? ai[i + 1][j] : 0);
}
}
int ans = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (a[i][j] == 'J') {
ans += ao[i][j] * ai[i][j];
}
}
}
cout << ans << endl;
}
signed main() {
ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);cout << setprecision(20);
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
int T = 1;
//cin >> T;
while(T--) {
solve();
}
}
