#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n, m, ans, si[3010][3010], so[3010][3010];
char a[3010][3010];
int main() {
cin.tie(0); cout.tie(0);
ios::sync_with_stdio(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> a[i][j];
if (a[i][j] == 'O') {
so[i][j]++;
}
else if (a[i][j] == 'I') {
si[i][j]++;
}
so[i][j] += so[i][j-1];
si[i][j] += si[i-1][j];
}
}
ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J') {
ans += (so[i][m]-so[i][j])*(si[n][j]-si[i][j]);
}
}
}
cout << ans << "\n";
return 0;
}
