#include "bits/stdc++.h" using namespace std; const int maxn = 3005; int n, m; int a[maxn][maxn]; int cr[maxn][maxn], cc[maxn][maxn]; int convert(char x) { if(x == 'J') return 0; if(x == 'O') return 1; return 2; } void solve() { cin >> n >> m; char ch; for(int i = 1; i <= n; ++i) { for(int j = 1; j <= m; ++j) { cin >> ch; a[i][j] = convert(ch); } } vector<int> cnt; for(int i = 1; i <= n; ++i) { for(int j = m; j; --j) { cr[i][j] = cr[i][j + 1] + (a[i][j] == 1); } } for(int j = 1; j <= m; ++j) { for(int i = n; i; --i) { cc[i][j] = cc[i + 1][j] + (a[i][j] == 2); } } long long ans = 0; for(int i = 1; i <= n; ++i) { for(int j = 1; j <= m; ++j) { if(a[i][j] == 0) { ans += 1ll * cc[i][j] * cr[i][j]; } } } cout << ans; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); solve(); return 0; }