#include "bits/stdc++.h"
#define int long long
using namespace std;
const int MAXN = 1e6 + 10;
int32_t main() {
int h, w;cin >> h >> w;
char a[h+1][w+1];
int O[h+1][w+1];
int I[h+1][w+1];
for(int i=0; i<=h; i++) {
for(int j=0; j<=w; j++) {
O[i][j] = I[i][j] = 0;
}
}
for(int i=1;i <=h; i++) {
for(int j=1; j<=w; j++) {
cin >> a[i][j];
O[i][j] = O[i][j-1] + (a[i][j] == 'O');
I[i][j] = I[i-1][j] + (a[i][j] == 'I');
}
}
int ans= 0;;
for(int i=1; i<=h;i ++) {
for(int j=1; j<=w; j++) {
if(a[i][j] == 'J') {
ans += (O[i][w] - O[i][j]) * (I[h][j] - I[i][j]);
}
}
}
cout << ans << "\n";
}
