#include <bits/stdc++.h>
#define int long long
using namespace std;
inline void solve()
{
int n, m;
cin >> n >> m;
vector<string> v(n);
for (auto &i : v)
cin >> i;
vector<vector<int>> ii(n + 1, vector<int>(m + 1, 0)), oo(ii);
for (int i = n - 1; i >= 0; --i)
for (int j = 0; j < m; ++j)
ii[i][j] = ii[i + 1][j] + (v[i][j] == 'I');
for (int j = m - 1; j >= 0; --j)
for (int i = 0; i < n; ++i)
oo[i][j] = oo[i][j + 1] + (v[i][j] == 'O');
int ans = 0;
for (int i = 0; i < n; ++i)
for (int j = 0; j < m; ++j)
if (v[i][j] == 'J')
ans += ii[i][j] * oo[i][j];
cout << ans << '\n';
}
signed main()
{
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
solve();
return 0;
}
