#include <bits/stdc++.h>
#define x first
#define y second
#define pii pair<int,int>
#define ll long long
#define pll pair<ll,ll>
#define pbb pair<bool,bool>
#define mp make_pair
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define xmod (ll)(1e9+9)
#define hmod 1286031825167LL
using namespace std;
ll ans,n,m,ps_o[3005][3005],ps_i[3005][3005];
char s[3005][3005];
int main(){
ios::sync_with_stdio(false);
cin >> n >> m;
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++){
cin >> s[i][j];
ps_o[i][j]=ps_o[i][j-1];
ps_i[i][j]=ps_i[i-1][j];
if (s[i][j] == 'O')
ps_o[i][j]++;
if (s[i][j] == 'I')
ps_i[i][j]++;
}
}
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++){
if (s[i][j] == 'J')
ans+=(ps_o[i][m]-ps_o[i][j])*(ps_i[n][j]-ps_i[i][j]);
}
}
cout << ans << "\n";
return 0;
}
