#include <bits/stdc++.h>
using namespace std;
int main() {
int h, w;
cin >> h >> w;
char grid[h][w];
for (int i = 0; i < h; i++) {
string s;
cin >> s;
for (int j = 0; j < w; j++) {
grid[i][j] = s[j];
}
}
int orbs[h][w];
for (int i = 0; i < h; i++) {
orbs[i][w-1] = grid[i][w-1] == 'O';
for (int j = w-2; j >= 0; j--) {
orbs[i][j] = orbs[i][j+1] + (grid[i][j] == 'O');
}
}
int ingots[h][w];
for (int j = 0; j < w; j++) {
ingots[h-1][j] = grid[h-1][j] == 'I';
for (int i = h-2; i >= 0; i--) {
ingots[i][j] = ingots[i+1][j] + (grid[i][j] == 'I');
}
}
long long ans = 0;
for (int i = 0; i < h-1; i++) {
for (int j = 0; j < w-1; j++) {
if (grid[i][j] != 'J') {
continue;
}
ans += ingots[i+1][j] * orbs[i][j+1];
}
}
cout << ans << endl;
return 0;
}
