#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define s second
#define f first
#define left (node<<1),l,((l+r)>>1)
#define right ((node<<1)|1),((l+r)>>1) + 1,r
using namespace std;
const int N = 3000 + 5;
char a[N][N];
int O[N][N],I[N][N];
signed main() {
ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
int n,m;
cin>>n>>m;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
cin>>a[i][j];
O[i][j] = O[i][j - 1];
I[i][j] = I[i - 1][j];
if (a[i][j] == 'O') O[i][j]++;
if (a[i][j] == 'I') I[i][j]++;
}
}
ll ans=0;
for (int i = 1; i <= n; i++){
for (int j = 1; j <= m; j++){
if (a[i][j] != 'J') continue;
int OO = O[i][m] - O[i][j];
int II = I[n][j] - I[i][j];
ans += OO * II;
}
}
cout<<ans;
}
