#include<bits/stdc++.h>
using namespace  std;
int n,m,ans,a[501][501];
int  main( ) 
{
    cin>>n>>m;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=m;j++)
            cin>>a[i][j];
    for (int i=1;i<=n-1;i++)
    {
        for (int j=1;j<=m-1;j++)
        {
            if (a[i][j]*a[i+1][j+1]==a[i+1][j]*a[i][j+1])
                ans++;
        }
    }
    cout<<ans;
    return 0;   
}
//洛谷AC