#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=3e3+7;
string T[LIM];
ll lewo[LIM][LIM], dol[LIM][LIM];
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n, m;
cin >> n >> m;
rep(i, n) {
cin >> T[i];
for(int j=m-1; j>=0; --j) lewo[i][j]=lewo[i][j+1]+(T[i][j]=='O');
}
rep(j, m) {
for(int i=n-1; i>=0; --i) dol[i][j]=dol[i+1][j]+(T[i][j]=='I');
}
ll ans=0;
rep(i, n) rep(j, m) if(T[i][j]=='J') ans+=lewo[i][j]*dol[i][j];
cout << ans << '\n';
}
