#include <iostream>
using namespace std;
#define MAXN 3005
int h, w;
char grid[MAXN][MAXN];
int row[MAXN][MAXN];
int col[MAXN][MAXN];
long long o = 0;
int main () {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> h >> w;
for (int i=1; i<=h; i++) {
for (int j=1; j<=w; j++) {
cin >> grid[i][j];
}
}
for (int i=1; i<=h; i++) {
for (int j=1; j<=w; j++) {
row[i][j] = row[i][j-1];
if (grid[i][j] == 'O') row[i][j]++;
col[i][j] = col[i-1][j];
if (grid[i][j] == 'I') col[i][j]++;
}
}
for (int i=1; i<=h; i++) {
for (int j=1; j<=w; j++) {
if (grid[i][j] == 'J') o += (row[i][w]-row[i][j])*(col[h][j]-col[i][j]);
}
}
cout << o << endl;
}
