#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int h, w;
cin >> h >> w;
vector<string> grid(h);
vector< vector<int> > cnt_o(h, vector<int>(w, 0)), cnt_i(h, vector<int>(w, 0));
for (int i = 0; i < h; i++) {
cin >> grid[i];
}
for (int i = h - 1; i >= 0; i--) {
for (int j = w - 1; j >= 0; j--) {
if (grid[i][j] == 'O') {
cnt_o[i][j] = 1;
}
if (grid[i][j] == 'I') {
cnt_i[i][j] = 1;
}
if (j < w - 1) {
cnt_o[i][j] += cnt_o[i][j + 1];
}
if (i < h - 1) {
cnt_i[i][j] += cnt_i[i + 1][j];
}
}
}
long long ans = 0;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (grid[i][j] == 'J') {
ans += (long long) cnt_o[i][j] * (long long) cnt_i[i][j];
}
}
}
cout << ans << '\n';
return 0;
}
