#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define int long long
#define exit exit(false)
#define pause system("PAUSE")
//#define here() cerr << "herewego\n";
#define showe(x) cerr << #x << ": " << x << '\n'
#define shows(x) cerr << #x << ": " << x << ", "
#define ioio() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
signed main () { ioio();
int n, m;
cin >> n >> m;
char a[n+1][m+1];
int cn[n+1][m+1], ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> a[i][j];
cn[i][j] = 0;
}
}
for (int i = 1; i <= n; i++) {
int O = 0;
for (int j = m; j >= 1; j--) {
if (a[i][j] == 'J') {
cn[i][j] = O;
}
else if (a[i][j] == 'O') {
O++;
}
}
}
for (int j = 1; j <= m; j++) {
int I = 0;
for (int i = n; i >= 1; i--) {
if (a[i][j] == 'J') {
ans += (I * cn[i][j]);
}
else if (a[i][j] == 'I') {
I++;
}
}
}
cout << ans;
// cerr << "\nTime elapsed: " << (clock() + 0.0) / CLOCKS_PER_SEC;
}
