#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define all(x) (x).begin(),(x).end()
#define lb(x) ((x)&-(x))
#define IOS cin.tie(nullptr)->sync_with_stdio(0);
constexpr int maxN = 3e3+5;
int h,w,row[maxN],col[maxN],val[maxN][maxN];
int main(){
IOS
cin>>h>>w;
for(int i = 1;i<=h;i++){
string s;cin>>s;
for(int j = 1;j<=w;j++){
val[i][j] = (s[j-1]=='J'?0:(s[j-1]=='O'?1:2));
row[i] += s[j-1]=='O';
col[j] += s[j-1]=='I';
}
}
ll ans = 0;
for(int i = 1;i<=h;i++)for(int j = 1;j<=w;j++){
if(val[i][j]==0){
ans+=row[i]*col[j];
}
else if(val[i][j]==1){
row[i]--;
}
else {
col[j]--;
}
}
cout<<ans<<'\n';
}
