#include <iostream>
#include <vector>
using namespace std;
int main() {
int H, W;
cin >> H >> W;
vector<vector<int>> grid;
for (int i = 0; i < H; ++i) {
string st;
cin >> st;
vector<int> row;
for (int j = 0; j < W; ++j) {
if (st[j] == 'J')
row.push_back(0);
else if (st[j] == 'O')
row.push_back(1);
else if (st[j] == 'I')
row.push_back(2);
}
grid.push_back(row);
}
vector<vector<int>> grido(H + 1, vector<int>(W + 1, 0));
vector<vector<int>> gridi(H + 1, vector<int>(W + 1, 0));
// Calculate 'o' values
for (int row = 0; row < H; ++row) {
for (int col = W - 1; col >= 0; --col) {
int num = (grid[row][col] == 1);
grido[row][col] = grido[row][col + 1] + num;
}
}
// Calculate 'i' values
for (int col = 0; col < W; ++col) {
for (int row = H - 1; row >= 0; --row) {
int num = (grid[row][col] == 2);
gridi[row][col] = gridi[row + 1][col] + num;
}
}
long long ans = 0;
for (int row = 0; row < H; ++row) {
for (int col = 0; col < W; ++col) {
if (grid[row][col] == 0) {
ans += grido[row][col + 1] * gridi[row + 1][col];
}
}
}
cout << ans << endl;
return 0;
}
