#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; }