#include <iostream>
#include <vector>
using namespace std;
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
long long int h,w;
cin>>h>>w;
char grid[h][w];
int canti[h][w];
canti[0][0]=0;
int canto[h][w];
canto[0][0]=0;
vector<pair<int,int> > v;
for(int i=0;i<h;i++){
for(int j=0;j<w;j++){
if(j==0)canto[i][j]=0;
else canto[i][j]=canto[i][j-1];
if(i==0)canti[i][j]=0;
else canti[i][j]=canti[i-1][j];
cin>>grid[i][j];
if(grid[i][j]=='J')v.push_back(make_pair(i,j));
else if(grid[i][j]=='O')canto[i][j]++;
else canti[i][j]++;
//cout<<canti[i][j];
}
//cout<<'\n';
}
int n=v.size();
long long int sol=0;
for(int j=0;j<n;j++){
int x=v[j].first,y=v[j].second;
int multi=canto[x][w-1]-canto[x][y];
int multo=canti[h-1][y]-canti[x][y];
sol+=multi*multo;
}
cout<<sol<<'\n';
}
