#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3005;
ll n,m,res,b[N],c[N];
char a[N][N];
int main()
{
cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
cin >> n >> m;
for (int i=0;i<n;i++) for (int j=0;j<m;j++) cin >> a[i][j];
for (int j=0;j<m;j++) for (int i=0;i<n;i++) if (a[i][j] == 'I') b[j]++;
for (int i=0;i<n;i++) for (int j=0;j<m;j++) if (a[i][j] == 'O') c[i]++;
for (int i=0;i<n;i++) for (int j=0;j<m;j++)
if (a[i][j] == 'J') res += b[j]*c[i];
else if (a[i][j] == 'O') c[i]--;
else b[j]--;
cout << res;
return 0;
}
