#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
using ll = long long;
using pi = pair<int,int>;
#define ST first
#define ND second
#define PB push_back
const int nax = 3000 + 10;
int n, m;
int s1[nax][nax], s2[nax][nax];
string s[nax];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for(int i = 1; i <= n; ++i) {
cin >> s[i];
s[i] = "#" + s[i];
}
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
s1[i][j] = s1[i][j - 1] + (s[i][j] == 'O');
s2[i][j] = s2[i - 1][j] + (s[i][j] == 'I');
}
}
ll ans = 0;
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
if(s[i][j] == 'J') {
ans += ((ll)(s1[i][m] - s1[i][j]) * (s2[n][j] - s2[i][j]));
}
}
}
cout << ans;
}
