#include <bits/stdc++.h>
using namespace std;
#define SZ(v) ((int)(v).size())
using ll = long long;
const int MAXDIM = 3001;
char grid[MAXDIM][MAXDIM];
int suffix_row[MAXDIM][MAXDIM];
int suffix_col[MAXDIM][MAXDIM];
int main(void)
{
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int nb_lig, nb_col;
cin >> nb_lig >> nb_col;
for (int lig(0); lig < nb_lig; ++lig)
for (int col(0); col < nb_col; ++col)
cin >> grid[lig][col];
for (int lig(nb_lig-1); lig >= 0; --lig)
for (int col(nb_col-1); col >= 0; --col)
{
suffix_row[lig][col] = suffix_row[lig][col+1] + (grid[lig][col] == 'O');
suffix_col[lig][col] = suffix_col[lig+1][col] + (grid[lig][col] == 'I');
}
int ans(0);
for (int lig(0); lig < nb_lig; ++lig)
for (int col(0); col < nb_col; ++col)
if (grid[lig][col] == 'J')
ans += suffix_row[lig][col] * suffix_col[lig][col];
cout << ans << endl;
}
