#ifdef DEBUG
#include "debug.hpp"
#else
#pragma GCC optimize("Ofast")
#define trace(...)
#include <bits/stdc++.h>
#define endl '\n'
#endif
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
int h, w;
cin >> h >> w;
vector<string> grid(h);
for (int i = 0; i < h; ++i) {
cin >> grid[i];
}
vector<vector<ll>> row_o(h + 1, vector<ll>(w + 1));
for (int i = 0; i < h; ++i) {
for (int j = w - 1; j >= 0; --j) {
row_o[i][j] = row_o[i][j + 1] + (grid[i][j] == 'O');
}
}
vector<vector<ll>> col_i(h + 1, vector<ll>(w + 1));
for (int j = 0; j < w; ++j) {
for (int i = h - 1; i >= 0; --i) {
col_i[i][j] = col_i[i + 1][j] + (grid[i][j] == 'I');
}
}
ll ans = 0;
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; ++j) {
if (grid[i][j] != 'J') continue;
ans += row_o[i][j] * col_i[i][j];
}
}
cout << ans << endl;
return 0;
}
