import java.util.Scanner;

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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  }
} import java.util.Scanner; Scanner 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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  }
} 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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  } main {

    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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int d = sc.nextInt(); d sc.nextInt() sc.nextInt sc int[][] x = new int[n][d]; x new int[n][d] n d int ans = 0; ans 0 for (int i = 0; i < n; i++) {
      for (int j = 0; j < d; j++) {
        x[i][j] = sc.nextInt();
      }
    } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
      for (int j = 0; j < d; j++) {
        x[i][j] = sc.nextInt();
      }
    } {
      for (int j = 0; j < d; j++) {
        x[i][j] = sc.nextInt();
      }
    } for (int j = 0; j < d; j++) {
        x[i][j] = sc.nextInt();
      } int j = 0; int j = 0; j 0 j < d j d j++ j++ j {
        x[i][j] = sc.nextInt();
      } {
        x[i][j] = sc.nextInt();
      } x[i][j] = sc.nextInt() x[i][j] x[i] x i j sc.nextInt() sc.nextInt sc for (int i = 0; i < n; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    } {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    } for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      } int j = i + 1; int j = i + 1; j i + 1 i 1 j < n j n j++ j++ j {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      } {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      } double tmp = 0; tmp 0 for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        } int k = 0; int k = 0; k 0 k < d k d k++ k++ k {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        } {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        } tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]) tmp (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]) (x[j][k] - x[i][k]) x[j][k] x[j] x j k x[i][k] x[i] x i k (x[j][k] - x[i][k]) x[j][k] x[j] x j k x[i][k] x[i] x i k double sq = Math.sqrt(tmp); sq Math.sqrt(tmp) Math.sqrt Math tmp if ((sq - (int) sq) == 0) {
          ans++;
        } (sq - (int) sq) == 0 (sq - (int) sq) sq (int) sq 0 {
          ans++;
        } ans++ ans System.out.println(ans) System.out.println System.out System System.out ans String[] args args 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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  }
} 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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  }
} Main
import java.util.Scanner;

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; i++) {
      for (int j = i + 1; j < n; j++) {
        double tmp = 0;
        for (int k = 0; k < d; k++) {
          tmp += (x[j][k] - x[i][k]) * (x[j][k] - x[i][k]);
        }
        double sq = Math.sqrt(tmp);
        if ((sq - (int) sq) == 0) {
          ans++;
        }
      }
    }

    System.out.println(ans);

  }
}