#include <bits/stdc++.h>
#define pb push_back
#define ins isnert
#define pii pair<int,int>
#define ff first
#define ss second
#define loop(i,a,b) for(int i = (a); i < (b); i ++)
#define op(x) cerr << #x << " = " << x << endl;
#define opa(x) cerr << #x << " = " << x << ", ";
#define ops(x) cerr << x;
#define spac cerr << ' ';
#define entr cerr << endl;
#define STL(x) cerr << #x << " : "; for(auto &qwe:x) cerr << qwe << ' '; cerr << endl;
#define ARR(x, nnn) cerr << #x << " : "; loop(qwe,0,nnn) cerr << x[qwe] << ' '; cerr << endl;
#define BAE(x) (x).begin(), (x).end()
using namespace std;
const int mxn = 3005;
char c[mxn][mxn];
int suf_o[mxn][mxn], suf_i[mxn][mxn];
int main(){
int n, m;
cin >> n >> m;
loop(i,0,n){
loop(j,0,m){
cin >> c[i+1][j+1];
}
}
loop(i,1,n+1){
for(int j = m; j >= 1; j--){
suf_o[i][j] += suf_o[i][j+1] + (c[i][j] == 'O');
}
}
for(int i = n; i >= 1; i--){
loop(j,1,m+1){
suf_i[i][j] += suf_i[i+1][j] + (c[i][j] == 'I');
}
}
long long ans = 0;
loop(i,1,n+1){
loop(j,1,m+1){
if(c[i][j] == 'J'){
ans += suf_o[i][j] * suf_i[i][j];
}
}
}
cout << ans << '\n';
}
