#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 3e3 + 5;
char a[N][N];
int row[N][N], col[N][N];
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m;
cin >> n >> m;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> a[i][j];
row[i][j] = row[i][j - 1] + (int)(a[i][j] == 'O');
col[i][j] = col[i - 1][j] + (int)(a[i][j] == 'I');
}
}
int tot = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j] != 'J')
continue;
int R = row[i][m] - row[i][j];
int D = col[n][j] - col[i][j];
tot += R * D;
}
}
cout << tot;
}
