#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n,m; cin >> n >> m;
string joi[n]; int ile[n][m][2];
for (int i = 0; i < n; i++) {
cin >> joi[i];
for (int j = 0; j < m; j++)
ile[i][j][0] = ile[i][j][1] = 0;
}
for (int i = 0; i < n; i++) {
int suma = 0;
for (int j = m-1; j >= 0; j--) {
if (joi[i][j] == 'O')
suma++;
else if (joi[i][j] == 'J')
ile[i][j][0] = suma;
}
}
for (int j = 0; j < m; j++) {
int suma = 0;
for (int i = n-1; i >= 0; i--) {
if (joi[i][j] == 'I')
suma++;
else if (joi[i][j] == 'J')
ile[i][j][1] = suma;
}
}
long long odp = 0;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
odp += 1ll*ile[i][j][0]*ile[i][j][1];
cout << odp << endl;
return 0;
}
