import java.util.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] x = new int[n][d];
        int ans = 0;
        for (int i=0;i<n;i++)for (int j=0;j<d;j++)x[i][j]=sc.nextInt();
        for (int i=0;i<n-1;i++){
            for (int j=i+1;j<n;j++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        }
        System.out.println(ans);
    }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz