#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;
const int N = 3005;
char ar[N+3][N+3];
ll O[N+2][N+3],I[N+3][N+3],n,m;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n>>m;
ll sum=0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cin>>ar[i][j];
O[i][j]=O[i][j-1];
I[i][j]=I[i-1][j];
if(ar[i][j]=='O'){
O[i][j]++;
}
if(ar[i][j]=='I'){
I[i][j]++;
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(ar[i][j]=='J'){
sum+=(O[i][m]-O[i][j])*(I[n][j]-I[i][j]);
// cout<<i<<" "<<j<<" "<<O[i][n]<<" "<<O[i][j]<<" "<<I[n][j]<<" "<<I[i][j]<<endl;
}
//cout<<O[i][j]<<" ";
}
//cout<<endl;
}
cout<<sum<<endl;
// cout<<O[2][];
}
/*
3 4
JOIJ
JIOO
IIII
*/
