#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3005;
int n, m;
char a[N][N];
int d[2][N][N];
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
cin >> a[i][j];
if (a[i][j] == 'O') d[0][i][j]++;
if (a[i][j] == 'I') d[1][i][j]++;
}
for (int i = 1; i <= n; i++) for (int j = m; j >= 1; j--) d[0][i][j] += d[0][i][j + 1];
for (int j = 1; j <= m; j++) for (int i = n; i >= 1; i--) d[1][i][j] += d[1][i + 1][j];
ll ans = 0;
for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) {
if (a[i][j] == 'J')
ans += 1LL * d[0][i][j] * d[1][i][j];
}
cout << ans;
return 0;
}
