#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
int main(){
ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int h,w;cin>>h>>w;
vector<string> grid(h);
for(int i=0;i<h;i++){
cin>>grid[i];
}
vector<vector<int> > sumO(h+1,vector<int>(w+1,0));
vector<vector<int> > sumI(h+1,vector<int>(w+1,0));
ll ans = 0;
for(int i=1;i<=h;i++){
for(int j=1;j<=w;j++){
sumO[i][j] = sumO[i][j-1]+(grid[i-1][j-1]=='O');
sumI[i][j] = sumI[i-1][j]+(grid[i-1][j-1]=='I');
}
}
for(int i=1;i<=h;i++){
for(int j=1;j<=w;j++){
if(grid[i-1][j-1]=='J') {
ans+=1LL*(sumO[i][w]-sumO[i][j])*(sumI[h][j]-sumI[i][j]);
}
}
}
cout<<ans<<"\n";
return 0;
}
