//#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 3005;
char a[N][N];
int row[N][N];
int col[N][N];
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, m;
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 = m; j >= 1; j--) {
row[i][j] = row[i][j + 1] + (a[i][j] == 'O');
}
}
for (int j = 1; j <= m; j++) {
for (int i = n; i >= 1; i--) {
col[i][j] = col[i + 1][j] + (a[i][j] == 'I');
}
}
ll ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J') {
ans += ll(row[i][j + 1]) * col[i + 1][j];
}
}
}
cout << ans;
return 0;
}
