#include <bits/stdc++.h>
#define sts(v) stable_sort(v.BE, v.E)
#define Rsts(v) stable_sort(v.rBE, v.rE)
#define rev(v) reverse(v.BE, v.E)
#define BE begin()
#define rBE rbegin()
#define E end()
#define rE rend()
#define pb push_back
#define ppb pop_back()
#define pf push_front
#define ppf pop_front()
#define F first
#define S second
using namespace std;
using ll = long long;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n, m; cin >> n >> m;
vector<int> cnt_O(n + 1), cnt_I(m + 1);
char v[n + 1][m + 1];
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
char c; cin >> c;
v[i][j] = c;
if(c == 'O')cnt_O[i]++;
if(c == 'I')cnt_I[j]++;
}
}
ll ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
char c = v[i][j];
if(c == 'J')ans += cnt_O[i] * cnt_I[j];
else if(c == 'O')cnt_O[i]--;
else cnt_I[j]--;
}
}
cout << ans << '\n';
return 0;
}
