#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define mt make_tuple
using namespace std;
void solve(){
int h, w; cin >> h >> w;
char g[h][w];
for( int i = 0; i < h; i++ ){ for( int j = 0; j < w; j++ ){ cin >> g[i][j]; } }
int pci[h][w]; memset( pci, 0, sizeof pci );
for( int i = h-2; i >= 0; i-- ){
for( int j = 0; j < w; j++ ){
pci[i][j] = pci[i+1][j] + ( g[i+1][j] == 'I' );
}
}
int pco[h][w]; memset( pco, 0, sizeof pco );
for( int j = w-2; j >= 0; j-- ){
for( int i = 0; i < h; i++ ){
pco[i][j] = pco[i][j+1] + ( g[i][j+1] == 'O' );
}
}
ll total = 0;
for( int i = 0; i < h; i++ ){
for( int j = 0; j < w; j++ ){
if( g[i][j] == 'J' ){ total += pci[i][j]*pco[i][j]; }
}
}
cout << total << endl;
return;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int t = 1;
//cin >> t;
while (t--) { solve(); }
return 0;
}
