#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,x,y,z;
ll O[3005][3005], I[3005][3005];
char ar[3005][3005];
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> ar[i][j];
}
}
for (int i = 1; i <= n; i++) {
for (int j = m; j >= 1; j--) O[i][j] = O[i][j+1] + (ar[i][j] == 'O');
}
for (int i = 1; i <= m; i++) {
for (int j = n; j >= 1; j--) I[j][i] = I[j+1][i] + (ar[j][i] == 'I');
}
ll ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (ar[i][j] == 'J') ans += O[i][j] * I[i][j];
}
}
cout << ans << "\n";
}
