#include <bits/stdc++.h>
typedef long long ll;
int main() {
std::ios::sync_with_stdio(0);
int h, w; std::cin >> h >> w;
std::vector <std::vector <char>> g(3001, std::vector <char> (3001));
std::vector <std::vector <std::vector <ll>>> a(3001, std::vector <std::vector <ll>> (3001, std::vector <ll> (2, 0))), b(a);
for (int i = 1; i <= h; i++)
for (int j = 1; j <= w; j++) {
std::cin >> g[i][j];
for (int k = 0; k < 2; k++) {
a[i][j][k] = a[i][j - 1][k];
b[i][j][k] = b[i - 1][j][k];
}
a[i][j][0] += g[i][j] == 'O';
b[i][j][0] += g[i][j] == 'O';
a[i][j][1] += g[i][j] == 'I';
b[i][j][1] += g[i][j] == 'I';
}
ll ans = 0;
for (int i = 1; i <= h; i++)
for (int j = 1; j <= w; j++)
if (g[i][j] == 'J')
ans += (a[i][w][0] - a[i][j][0]) * (b[h][j][1] - b[i][j][1]);
std::cout << ans << "\n";
}
