#include<bits/stdc++.h>
#define STIZE(x) fprintf(stderr, "STIZE%d\n", x);
#define PRINT(x) fprintf(stderr, "%s = %d\n", #x, x);
#define NL(x) printf("%c", " \n"[(x)]);
#define lld long long
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second
#define mid (l+r)/2
#define endl '\n'
#define all(a) begin(a),end(a)
#define sz(a) int((a).size())
#define LINF 1000000000000000LL
#define INF 1000000000
#define EPS 1e-9
using namespace std;
#define MAXN 3010
lld rez, O[MAXN][MAXN], I[MAXN][MAXN];
string s[MAXN];
int main() {
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cerr.tie(0);
int H, W; cin >> H >> W;
for(int i = 1; i <= H; i++) {
cin >> s[i];
s[i] = '#' + s[i] + '#';
}
for(int i = 1; i <= H; i++) {
for(int j = W; j >= 1; j--) {
O[i][j] = O[i][j+1] + (s[i][j] == 'O');
}
}
for(int j = 1; j <= W; j++) {
for(int i = H; i >= 1; i--) {
I[i][j] = I[i+1][j] + (s[i][j] == 'I');
}
}
for(int i = 1; i <= H; i++) {
for(int j = 1; j <= W; j++) {
if(s[i][j] == 'J') {
rez += O[i][j]*I[i][j];
}
}
}
cout << rez;
}
