#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
int ans;
int h, w;
string ar[3005];
int suff[3005][3005][2];
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> h >> w;
for (int i = 0; i < h; i++) {
cin >> ar[i];
}
for (int i = 0; i < h; i++) {
for (int j = w - 1; j >= 0; j--) {
suff[i][j][0] = suff[i][j + 1][0];
suff[i][j][0] += (ar[i][j] == 'O');
}
}
for (int i = h - 1; i >= 0; i--) {
for (int j = 0; j < w; j++) {
suff[i][j][1] = suff[i + 1][j][1];
suff[i][j][1] += (ar[i][j] == 'I');
}
}
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (ar[i][j] == 'J') {
ans += suff[i][j][0] * suff[i][j][1];
}
}
}
cout << ans << '\n';
return 0;
}
