#include "bits/stdc++.h"
// @JASPER'S BOILERPLATE
using namespace std;
using ll = long long;
#define FOR(i, a, b) for(int i = a; i <= b; i++)
#define FORD(i, a, b) for(int i = a; i >= b; i--)
#define REP(i, b) for(int i = 0; i < b; i++)
#define PER(i, b) for(int i = b - 1; i >= 0; i--)
#define fi first
#define se second
#ifdef JASPER
#include "debug.h"
#else
#define debug(...) 166
#endif
using pii = pair < int, int >;
const int INF = 1e9;
const int MOD = 1e9 + 7;
const int N = 3e2 + 5;
int n, m;
char a[N][N];
int dpO[N][N], dpI[N][N];
void run_case() {
cin >> n >> m;
for (int i = 1; i <= n; ++i)
for (int j = 1; j <= m; ++j)
cin >> a[i][j];
for (int j = m; j >= 1; --j) {
for (int i = 1; i <= n; ++i) {
dpO[i][j] = (a[i][j] == 'O');
dpO[i][j] += dpO[i][j + 1];
}
}
for (int i = n; i >= 1; --i) {
for (int j = 1; j <= m; ++j) {
dpI[i][j] = (a[i][j] == 'I');
dpI[i][j] += dpI[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 * dpO[i][j] * dpI[i][j];
cout << ans << "\n";
}
signed main() {
cin.tie(0) -> sync_with_stdio(0);
int Test = 1;
//cin >> Test;
for (int test = 1; test <= Test; test++){
run_case();
}
}
