#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ull unsigned long long
#define fi first
#define se second
#define ld long double
ll n, m;
char arr[3005][3005], pi[3005][3005], po[3005][3005];
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
cin >> arr[i][j];
}
}
for(int j=1;j<=m;++j){
for(int i=n;i>=1;--i){
pi[i][j]=pi[i+1][j];
pi[i][j]+=(arr[i][j]=='I');
}
}
for(int i=1;i<=n;++i){
for(int j=m;j>=1;--j){
po[i][j]=po[i][j+1];
po[i][j]+=(arr[i][j]=='O');
}
}
ll ans=0;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
if(arr[i][j]=='J'){
ans+=pi[i+1][j]*po[i][j+1];
}
}
}
cout << ans << '\n';
}
