#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define F first
#define S second
const int maxn = 3e3+10;
const int mod = 1e9+7;
int n, m;
int R[maxn][maxn], D[maxn][maxn];
char a[maxn][maxn];
int main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>> n >> m;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= m; j++)
cin>> a[i][j];
ll ans = 0;
for(int i = n; i >= 1; i--)
for(int j = m; j >= 1; j--){
R[i][j] = R[i][j+1] + (a[i][j] == 'O');
D[i][j] = D[i+1][j] + (a[i][j] == 'I');
if(a[i][j] == 'J')
ans += D[i][j] * R[i][j];
}
cout<< ans;
}
