#include <iostream>
using namespace std;
#define ll long long
string stage[3001];
ll psum1[3005][3005], psum2[3005][3005];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int h, w;
cin >> h >> w;
for(int i = 0; i < h; i++)
cin >> stage[i];
for(int i = h-1; i >= 0; i--)
for(int j = w-1; j >= 0; j--)
{
psum1[i][j] = psum1[i][j+1];
if(stage[i][j] == 'O')
psum1[i][j]++;
psum2[j][i] = psum2[j][i+1];
if(stage[i][j] == 'I')
psum2[j][i]++;
}
ll ans = 0;
for(int i = 0; i < h; i++)
for(int j = 0; j < w; j++)
if(stage[i][j] == 'J')
ans += psum1[i][j]*psum2[j][i];
cout << ans << '\n';
}
