#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define FOR(i, x, y) for(int i = x; i < y; i++)
typedef long long ll;
using namespace std;
char grid[3001][3001];
ll pref1[3001][3001], pref2[3001][3001];
// Prefix sums
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m;
cin >> n >> m;
FOR(i, 1, n + 1) {
FOR(j, 1, m + 1) {
cin >> grid[i][j];
pref1[i][j] = pref1[i][j - 1];
pref2[j][i] = pref2[j][i - 1];
if (grid[i][j] == 'O') pref1[i][j]++;
else if (grid[i][j] == 'I') pref2[j][i]++;
}
}
ll ans = 0;
FOR(i, 1, n + 1) {
FOR(j, 1, m + 1) {
if (grid[i][j] == 'J') ans += (pref1[i][m] - pref1[i][j]) * (pref2[j][n] - pref2[j][i]);
}
}
cout << ans << '\n';
return 0;
}
