#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <array>
#include <algorithm>
#include <utility>
#include <map>
#include <queue>
#include <set>
#include <cmath>
#include <cstdio>
#include <cstring>
#define ll long long
#define ld long double
#define eps 1e-8
#define MOD 1000000007
#define INF 0x3f3f3f3f
#define INFLL 0x3f3f3f3f3f3f3f3f
// change if necessary
#define MAXN 3010
using namespace std;
int h, w;
string grid[MAXN];
ll ans;
int ocnt[MAXN][MAXN];
int icnt[MAXN][MAXN];
int main() {
cin.tie(0)->sync_with_stdio(0);
cin >> h >> w;
for (int i = 0; i < h; i++) {
cin >> grid[i];
}
for (int i = 0; i < h; i++) {
for (int j = w - 1; j >= 0; j--) {
ocnt[i][j] = ocnt[i][j + 1];
if (grid[i][j] == 'O') ocnt[i][j]++;
}
}
for (int j = 0; j < w; j++) {
for (int i = h - 1; i >= 0; i--) {
icnt[i][j] = icnt[i + 1][j];
if (grid[i][j] == 'I') icnt[i][j]++;
}
}
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (grid[i][j] == 'J') {
ans += (ll) ocnt[i][j] * icnt[i][j];
}
}
}
cout << ans << '\n';
return 0;
}
