#include <bits/stdc++.h>
using namespace std;
int const MAX=3005;
char mat[MAX][MAX];
int drO[MAX][MAX];
int subI[MAX][MAX];
int n,m;
void read(){
cin>>n>>m;
int i,j;
for(i=1;i<=n;++i)
for(j=1;j<=m;++j)
cin>>mat[i][j];
}
void precalc(){
int i,j;
for(i=1;i<=n;++i)
for(j=m;j;--j)
drO[i][j]=drO[i][j+1]+(mat[i][j+1]=='O');
for(j=1;j<=m;++j)
for(i=n;i;--i)
subI[i][j]=subI[i+1][j]+(mat[i+1][j]=='I');
}
long long solve(){
long long ans=0;
int i,j;
for(i=1;i<=n;++i)
for(j=1;j<=m;++j)
if(mat[i][j]=='J')
ans+=drO[i][j]*subI[i][j];
return ans;
}
void write(long long ans){
cout<<ans;
}
int main()
{
read();
precalc();
write(solve());
return 0;
}
