#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
//#pragma GCC target("popcnt")
using namespace __gnu_pbds;
using namespace std;
using ordered_set = tree<int, null_type, less_equal<>, rb_tree_tag, tree_order_statistics_node_update>;
#define popcount __builtin_popcountll
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n,m; cin >> n >> m;
string a[n]; for (auto& s : a) cin >> s;
long long ans = 0;
int row[n]{}, col[m]{};
for (int i = n-1; i >= 0; i--) {
for (int j = m-1; j >= 0; j--) {
if (a[i][j] == 'J')
ans += row[i] * col[j];
else if (a[i][j] == 'O')
row[i]++;
else
col[j]++;
}
}
cout << ans;
}
