#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define vb vector<bool>
#define vpi vector<pii>
#define MOD 1000000007
#define INF (int)2e18
#define mod(x) (((x)%MOD+MOD)%MOD)
#define MAX 200005
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n, m;
cin >> n >> m;
vector<vi> a(n+1, vi(m+1));
vector<vi> b(n+1, vi(m+1));
vector<vector<char>> c(n+1, vector<char>(m+1));
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
cin >> c[i][j];
if(c[i][j] == 'O') a[i][j]++;
else if(c[i][j] == 'I') b[i][j]++;
}
}
for(int i = 0; i < n; i++){
for(int j = m-2; j >= 0; j--){
a[i][j] += a[i][j+1];
}
}
for(int j = 0; j < m; j++){
for(int i = n-2; i >= 0; i--){
b[i][j] += b[i+1][j];
}
}
int ans = 0;
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
if(c[i][j] == 'J'){
ans += a[i][j] * b[i][j];
}
}
}
cout << ans;
return 0;
}
