#include <bits/stdc++.h>
#define ll long long
#define nikah ios_base::sync_with_stdio(0); cin.tie(0);
const ll maxn = 1e4+7;
using namespace std;
ll t,n,m;
char a[3007][3007];
int main () {
nikah
cin>>n>>m;
for (ll i=1; i<=n; i++) {
for (ll j=1; j<=m; j++) {
cin>>a[i][j];
}
}
ll ans = 0;
for (ll i=1; i<=n; i++) {
for (ll j=1; j<=m; j++) {
if (a[i][j] != 'J') continue;
for (ll k=1; k<=n; k++) {
if (a[k][j] != 'I') continue;
for (ll l=1; l<=m; l++) {
if (a[i][j] == 'J' && a[i][l] == 'O'&& a[k][j] == 'I') ans++;
}
}
}
}
cout<<ans<<endl;
}
