#include <bits/stdc++.h>
#define int long long
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define REV(i, a, b) for (int i = (a), _b = (b); i >= _b; --i)
using namespace std;
#define MAXN 3005
char a[MAXN][MAXN];
int prefO[MAXN][MAXN];
int prefI[MAXN][MAXN];
int n, m;
void solve() {
cin >> n >> m;
FOR(i, 1, n){
FOR(j, 1, m){
cin >> a[i][j];
}
}
FOR(i, 1, n) {
REV(j, m, 1){
prefO[i][j] = prefO[i][j + 1];
if (a[i][j] == 'O') prefO[i][j]++;
}
}
REV(i, n, 1){
FOR(j, 1, m){
prefI[i][j] = prefI[i + 1][j];
if (a[i][j] == 'I') prefI[i][j]++;
}
}
int res = 0;
FOR(i, 1, n){
FOR(j, 1, m){
if (a[i][j] == 'J'){
res += (prefO[i][j] * prefI[i][j]);
}
}
}
cout << res;
}
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
solve();
return 0;
}
