#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int MAX = 3003;
char C[MAX][MAX];
int Ocnt[MAX][MAX], Icnt[MAX][MAX];
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int N, M;
cin >> N >> M;
for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) cin >> C[i][j];
for (int i = 1; i <= N; ++i) for (int j = M; j > 0; --j) Ocnt[i][j] = Ocnt[i][j + 1] + (C[i][j] == 'O');
for (int j = 1; j <= M; ++j) for (int i = N; i > 0; --i) Icnt[i][j] = Icnt[i + 1][j] + (C[i][j] == 'I');
ll ans = 0;
for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) {
if (C[i][j] == 'J') ans += Ocnt[i][j] * Icnt[i][j];
}
cout << ans;
return 0;
}
