// source problem :
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define int long long
#define lb lower_bound
#define ub upper_bound
#define MASK(i) (1LL << (i))
const int inf = 1e18;
void ckmax(int& f, int s)
{
f = (f > s ? f : s);
}
void ckmin(int& f, int s)
{
f = (f < s ? f : s);
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
vector<string> g(n);
vector<int> r(n), c(m);
for (int i = 0; i < n; i++)
{
cin >> g[i];
for (int j = 0; j < m; j++)
{
if (g[i][j] == 'O') r[i]++;
else if (g[i][j] == 'I') c[j]++;
}
}
int ans = 0;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
if (g[i][j] == 'J') ans += r[i] * c[j];
}
}
cout << ans;
return 0;
}
