#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
using ll = long long;
const int maxn = 3001;
int n, m;
string g[maxn];
int O[maxn][maxn];
int I[maxn][maxn];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>m;
for (int i=0; i<n; i++) {
cin>>g[i];
}
for (int i=0; i<n; i++) {
for (int j=m-1; j>=0; j--) {
O[i][j]=(g[i][j]=='O')+O[i][j+1];
}
}
for (int i=n-1; i>=0; i--) {
for (int j=0; j<m; j++) {
I[i][j]=(g[i][j]=='I')+I[i+1][j];
}
}
ll res = 0;
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
if (g[i][j]=='J') {
res += 1ll*O[i][j+1]*I[i+1][j];
}
}
}
cout<<res<<endl;
return 0;
}
