#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define fi first
#define se second
const int N = 3007;
int n, m, row[N][N], col[N][N];
long long ans = 0;
string s[N];
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for(int i = 1; i <= n; i++){
cin >> s[i];
for(int j = 1; j <= m; j++){
row[i][j] = row[i][j - 1];
if(s[i][j - 1] == 'O') row[i][j]++;
else if(s[i][j - 1] == 'I') col[j][i]++;
}
}
for(int j = 1; j <= m; j++){
for(int i = 1; i <= n; i++){
col[j][i] += col[j][i - 1];
}
}
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(s[i][j - 1] != 'J') continue;
ans += 1LL * (row[i][m] - row[i][j]) * (col[j][n] - col[j][i]);
}
}
cout << ans;
}
