#include <bits/stdc++.h> using namespace std; const int N = 3333; string tb[N]; int n, m, pf[2][N][N]; signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> m; for(int i = 1;i<=n;i++){ cin >> tb[i]; tb[i] = " " + tb[i]; for(int j = 1;j<=m;j++){ pf[0][i][j] = pf[0][i][j - 1] + (tb[i][j] == 'O'); pf[1][i][j] = pf[1][i - 1][j] + (tb[i][j] == 'I'); } } long long ans = 0; for(int i = 1;i<=n;i++){ for(int j = 1;j<=m;j++){ if(tb[i][j] == 'J'){ ans += (pf[0][i][m] - pf[0][i][j]) * (pf[1][n][j] - pf[1][i][j]); } } } cout << ans; }