#include <bits/stdc++.h>
using namespace std;
const int MAXN= 3e3 + 11;
using ll = long long;
int H,W;
string S[MAXN];
int cntI[MAXN][MAXN];
int cntO[MAXN][MAXN];
ll ans;
int main()
{
cin.tie(0);
cout.tie(0);
cin >> H >> W;
for(int i = 0;i<H;i++)
{
cin>>S[i];
}
for(int i =0;i<H;i++)
{
for(int j = 0;j<W;j++)
{
cntO[i][j]+=(S[i][j] == 'O');
}
}
for(int i =0;i<H;i++)
{
for(int j = W-1;j>=0;j--)
{
cntO[i][j]+=(cntO[i][j+1]);
}
}
for(int i = H-1;i>=0;i--)
{
for(int j =0;j<W;j++)
{
cntI[i][j] = (cntI[i+1][j] + (S[i][j] == 'I'));
}
}
for(int i = 0;i<H;i++)
{
for(int j = 0;j<W;j++)
{
if(S[i][j] == 'J')
{
//cout<<i<<" "<<j<<" "<<cntI[i][j]<<" "<<cntO[i][j]<<'\n';
ans+=(cntI[i][j]*cntO[i][j]);
}
//cout<<cntI[i][j]<<" ";
}
}
cout<<ans<<'\n';
return 0;
}
