#include <bits/stdc++.h>
using namespace std;
const int N=3005;
int h,w,ai[N][N],ao[N][N],cnt;
char a[N][N];
int main(){
cin.tie(NULL)->sync_with_stdio(false);
cin>>h>>w;
for (int i=1; i<=h; i++){
string s;
cin>>s;
for (int j=1; j<=w; j++){
a[i][j]=s[j-1];
}
}/*
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<a[i][j];
}
cout<<'\n';
}*/
for (int i=h; i>0; i--){
for (int j=w; j>0; j--){
if (a[i][j]=='I') ai[i][j]=ai[i+1][j]+1;
else ai[i][j]=ai[i+1][j];
if (a[i][j]=='O') ao[i][j]=ao[i][j+1]+1;
else ao[i][j]=ao[i][j+1];
}
}
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
if(a[i][j]=='J') cnt+=ai[i][j]*ao[i][j];
}
}
cout<<cnt;
/*
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<ai[i][j]<<' ';
}
cout<<'\n';
}
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<ao[i][j]<<' ';
}
cout<<'\n';
}*/
}
