#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MXN = 3005;
int h, w;
string grid[MXN];
int sufo[MXN][MXN];
int lowi[MXN][MXN];
signed main() {
cin >> h >> w;
for (int i=1; i<=h; i++) {
cin >> grid[i];
grid[i] = ' ' + grid[i];
}
for (int i=1; i<=h; i++) {
for (int j=w; j>=1; j--) {
sufo[i][j] = sufo[i][j+1];
if (grid[i][j] == 'O') {
sufo[i][j]++;
}
}
}
for (int j=1; j<=w; j++) {
for (int i=h; i>=1; i--) {
lowi[i][j] = lowi[i+1][j];
if (grid[i][j] == 'I') {
lowi[i][j]++;
}
}
}
int x = 0;
for (int i=1; i<=h; i++) {
for (int j=1; j<=w; j++) {
if (grid[i][j] == 'J') {
x += (sufo[i][j] * lowi[i][j]);
}
}
}
cout << x << endl;
}
