#include <bits/stdc++.h>
using namespace std;
#define int long long
const int maxx = 3010;
int shemsh[maxx][maxx] , goi[maxx][maxx] , javaher[maxx][maxx];
char s[maxx][maxx];
signed main()
{
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n , m;
cin>>n>>m;
for(int i = 1 ; i <= n ; i++){
for(int j = 1 ; j <= m ; j++){
cin>>s[i][j];
}
}
for(int j = 1 ; j <= m ; j++){
for(int i = n ; i >= 1 ; i--){
javaher[i][j] = javaher[i+1][j];
if(s[i][j] == 'I')javaher[i][j]++;
}
}
for(int i = 1 ; i <= n ; i++){
for(int j = m ;j >= 1 ; j--){
shemsh[i][j] = shemsh[i][j+1];
if(s[i][j] == 'O')shemsh[i][j]++;
}
}
int ans = 0;
for(int i = 1 ; i <= n ; i++){
for(int j = 1 ; j <= m ; j++){
if(s[i][j] == 'J'){
ans+=shemsh[i][j] * javaher[i][j];
}
}
}
cout<<ans;
}
