import java.util.*;

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 count = 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; i++) {
      for (int j = i + 1; j < n; j++) {
        int num = 0;
        for (int k = 0; k < d; k++) {
          num += Math.pow(Math.abs(x[i][k] - x[j][k]), 2);
        }
        for (int k = 0; k <= num; k++) {
          if (k * k == num) {
            count++;
          }
        }
      }
    }
    System.out.println(count);
  }
}
/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