#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007ll
#define EPS 1e-9
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pl;
typedef tuple <ll,ll,ll> tl;
ll H, W, OC[3005][3005], IC[3005][3005], T;
char PL[3005][3005];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> H >> W;
for (ll i = 1; i <= H; i++) {
for (ll j = 1; j <= W; j++) {
cin >> PL[i][j];
}
}
for (ll i = 1; i <= H; i++) {
OC[i][W+1] = 0;
for (ll j = W; j >= 1; j--) {
OC[i][j] = OC[i][j+1];
if (PL[i][j] == 'O') OC[i][j]++;
}
}
for (ll j = 1; j <= W; j++) {
IC[H+1][j] = 0;
for (ll i = H; i >= 1; i--) {
IC[i][j] = IC[i+1][j];
if (PL[i][j] == 'I') IC[i][j]++;
}
}
T = 0;
for (ll i = 1; i <= H; i++) {
for (ll j = 1; j <= W; j++) {
if (PL[i][j] == 'J') T += OC[i][j] * IC[i][j];
}
}
cout << T;
return 0;
}
