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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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