#include <bits/stdc++.h>
using namespace std;
#define nitro ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define int long long
#define vi vector<int>
#define spc ' '
#define yes "YES"
#define no "NO"
#define endl "\n"
const int inf = 1e18;
const int maxn = 3e5 + 5;
const int mod = 1e9 + 7;
const int logn = 20;
void solve() {
int n, m; cin >> n >> m;
vector<pair<int, int>> js;
vector<vi> rowo(n, vi(m, 0)), dI(n, vi(m, 0));
vector<string> g(n);
for(int i = 0; i < n; i++) cin >> g[i];
for(int i = 0; i < n; i++)
for(int j = m - 2; j >= 0; j--)
rowo[i][j] = rowo[i][j+1] + (g[i][j + 1] == 'O');
for(int j = 0; j < m; j++)
for(int i = n - 2; i >= 0; i--)
dI[i][j] = dI[i+1][j] + (g[i + 1][j] == 'I');
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++)
if(g[i][j] == 'J')
js.push_back({i, j});
int ans = 0;
for(auto [i, j] : js)
ans += rowo[i][j] * dI[i][j];
cout << ans;
}
signed main() {
// freopen("cbarn.in", "r", stdin);
// freopen("cbarn.out", "w", stdout);
nitro
int t = 1;
// cin >> t;
for(int i = 1; i <= t; i++) {
// cout << "Case #" << i << ": ";
solve();
cout << endl;
}
return 0;
}
