#include <iostream>
#include <string>
using namespace std;
const int N = 3010;
int n, m;
int O[N][N], I[N][N];
string s[N];
int main() {
cin.tie(0); cout.tie(0);
ios_base::sync_with_stdio(false);
cin >> n >> m;
for (int i = 0; i < n; ++i) {
cin >> s[i];
for (int j = m - 1; j >= 0; --j) {
O[i][j] = O[i][j + 1];
if (s[i][j] == 'O') ++O[i][j];
}
}
for (int j = 0; j < m; ++j) {
for (int i = n - 1; i >= 0; --i) {
I[i][j] = I[i + 1][j];
if (s[i][j] == 'I') ++I[i][j];
}
}
long long ans = 0;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
if (s[i][j] == 'J') {
ans += 1ll * O[i][j] * I[i][j];
}
}
}
cout << ans << "\n";
return 0;
}
