#include <bits/stdc++.h>
using namespace std;
int main () {
int n, m; cin >> n >> m;
vector<string> grid(n);
for (int i = 0; i < n; i++) {
cin >> grid[i];
}
int count = 0;
vector<vector<int>> js(n, vector<int>(m, 0));
for (int y = 0; y < n; y++) {
count = 0;
for (int x = m - 1; x >= 0; x--) {
if (grid[y][x] == 'O') count++;
if (grid[y][x] == 'J') js[y][x] = count;
}
}
long long ans = 0;
count = 0;
for (int x = 0; x < m; x++) {
count = 0;
for (int y = n-1; y >= 0; y--) {
if (grid[y][x] == 'I') count++;
if (grid[y][x] == 'J') ans += js[y][x]*count;
}
}
cout << ans << '\n';
}
