#include <bits/stdc++.h>
#define int long long
#define fastio ios::sync_with_stdio(0), cin.tie(0)

using namespace std;

void solve()
{
    int n, m;
    cin >> n >> m;
    vector<string> v(n);
    for(int i = 0; i < n; i++) {
        cin >> v[i];
    }
    vector<int> O(n, 0);
    vector<int> I(m, 0);
    int ans = 0;
    for(int i = n - 1; i >= 0; i--) {
        for(int j = m - 1; j >= 0; j--) {
            if(v[i][j] == 'J') {
                ans += O[i] * I[j];
            }
            if(v[i][j] == 'O') {
                O[i]++;
            }
            if(v[i][j] == 'I') {
                I[j]++;
            }
        }
    }
    cout << ans << '\n';
    return;
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    while(t--)
    {
        solve();
    }
    return 0;
}