#include <iostream>
using namespace std;
long long n, m, psx[3010][3010], psy[3010][3010], ans;
char c[3010][3010];
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) cin >> c[i][j];
for (int i = 1; i <= n; i++) {
for (int j = m; j >= 1; j--) {
psx[i][j] = psx[i][j+1];
if (c[i][j] == 'O') psx[i][j]++;
}
}
for (int j = 1; j <= m; j++) {
for (int i = n; i >= 1; i--) {
psy[i][j] = psy[i+1][j];
if (c[i][j] == 'I') psy[i][j]++;
}
}
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) if (c[i][j] == 'J') ans += psx[i][j]*psy[i][j];
cout << ans << endl;
}
