#include <bits/stdc++.h>
using namespace std;
const int N = 3005;
int n, m;
char a[N][N];
int co[N][N], ci[N][N];
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> a[i][j];
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
co[i][j] = co[i][j - 1] + (a[i][j] == 'O');
}
}
for (int j = 1; j <= m; j++) {
for (int i = 1; i <= n; i++) {
ci[i][j] = ci[i - 1][j] + (a[i][j] == 'I');
}
}
long long ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J') {
ans += 1LL * (co[i][m] - co[i][j]) * (ci[n][j] - ci[i][j]);
}
}
}
cout << ans;
return 0;
}
