#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<int(n);i++)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define fst first
#define snd second
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef vector<ll> vll;
typedef vector<int> vi;
typedef pair<int,int> ii;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int h,w;
cin>>h>>w;
vector<string> s(h);
forn(i,h) cin>>s[i];
vector<vi> rows(h,vi(w+1));
vector<vi> cols(h+1,vi(w));
forn(i,h){
dforn(j,w) rows[i][j]=rows[i][j+1]+(s[i][j]=='O');
}
forn(j,w){
dforn(i,h) cols[i][j]=cols[i+1][j]+(s[i][j]=='I');
}
ll ret=0;
forn(i,h) forn(j,w){
if(s[i][j]=='J') ret+=rows[i][j]*cols[i][j];
}
cout<<ret<<'\n';
return 0;
}
