#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define pii pair<int,int>
#define vi vector<int>
#define fi first
#define se second
#define pb push_back
#define ALL(x) x.begin(),x.end()
#define ll long long
using namespace std;
inline ll read(){
    ll x=0,f=1;char ch=getchar();
    while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
    while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
    return x*f;
}
const int N=3e3+5;
int n,m,A[N][N],B[N][N];
char s[N][N];
ll ans;
int main(){
    n=read(),m=read();
    rep(i,1,n)scanf("%s",s[i]+1);
    per(i,n,1)per(j,m,1){
        A[i][j]=(s[i][j]=='O')+A[i][j+1];
        B[i][j]=(s[i][j]=='I')+B[i+1][j];
        if(s[i][j]=='J')ans+=A[i][j]*B[i][j];
    }
    printf("%lld\n",ans);
    return 0;
}