^ | lllll

#define LL long long
using namespace std;
const int N = 510;
int n,m;
int a[N][N];
int main(){
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    int ans=0;
    for(int i=1;i<=n-1;i++){
        for(int j=1;j<=m-1;j++){
            if(1LL*a[i][j]*a[i+1][j+1]==1LL*a[i][j+1]*a[i+1][j]){
                ans++;
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}
//:)
//114514