#include <bits/stdc++.h>
using namespace std;
string tab[3007];
int prefk[3007][3007];
int prefw[3007][3007];
int main()
{
int h, w;
cin >> h >> w;
for(int i = 1; i <= h; i++)
cin >> tab[i];
for(int i = h; i >= 1; i--)
for(int j = w - 1; j >= 0; j--)
{
prefw[i][j + 1] = prefw[i][j + 2];
if(tab[i][j] == 'O')
prefw[i][j + 1]++;
}
for(int j = w - 1; j >= 0; j--)
for(int i = h; i >= 1; i--)
{
prefk[i][j + 1] = prefk[i + 1][j + 1];
if(tab[i][j] == 'I')
prefk[i][j + 1]++;
}
long long ans = 0;
for(int i = 1; i <= h; i++)
for(int j = 0; j < w; j++)
if(tab[i][j] == 'J')
ans += prefk[i][j + 1] * prefw[i][j + 1];
cout << ans << endl;
return 0;
}
