import java.io.*;
import java.util.*;
 
public class Main{
   public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   }
 
   public static PrintWriter out;
      
   public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   }
} import java.io.*; io.* java import java.util.*; util.* java public class Main{
   public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   }
 
   public static PrintWriter out;
      
   public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   }
} Main public static PrintWriter out; out public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   } main {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   } MyScanner sc = new MyScanner(); sc new MyScanner() out = new PrintWriter(new BufferedOutputStream(System.out)) out new PrintWriter(new BufferedOutputStream(System.out)) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int d = sc.nextInt(); d sc.nextInt() sc.nextInt sc int[] coords = new int[n * d]; coords new int[n * d] n * d n d int match = 0; match 0 for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt(); int i = 0; int i = 0; i 0 i < coords.length i coords.length coords coords.length i++ i++ i coords[i] = sc.nextInt(); coords[i] = sc.nextInt() coords[i] coords i sc.nextInt() sc.nextInt sc for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      } int i = 0; int i = 0; i 0 i <= coords.length - 2 * d i coords.length - 2 * d coords.length coords coords.length 2 * d 2 d i += d i += d i d {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      } {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      } for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          } int j = i + d; int j = i + d; j i + d i d j <= coords.length - d j coords.length - d coords.length coords coords.length d j += d j += d j d {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          } {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          } int sum = 0; sum 0 for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2); int k = 0; int k = 0; k 0 k < d k d k++ k++ k sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2); sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2) sum Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2) Math.pow Math Math.abs(coords[i + k] - coords[j + k]) Math.abs Math coords[i + k] - coords[j + k] coords[i + k] coords i + k i k coords[j + k] coords j + k j k 2 double dist = Math.sqrt(sum); dist Math.sqrt(sum) Math.sqrt Math sum if(dist == (int) (dist))
                match++; dist == (int) (dist) dist (int) (dist) match++ match out.println(match) out.println out match out.close() out.close out String[] args args public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   } MyScanner BufferedReader br; br StringTokenizer st; st public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      } MyScanner {
         br = new BufferedReader(new InputStreamReader(System.in));
      } br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      } next {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      } while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          } try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              } catch (IOException e) {
                  e.printStackTrace();
              } IOException e {
                  e.printStackTrace();
              } e.printStackTrace() e.printStackTrace e {
                  st = new StringTokenizer(br.readLine());
              } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
          return Integer.parseInt(next());
      } nextInt {
          return Integer.parseInt(next());
      } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
          return Long.parseLong(next());
      } nextLong {
          return Long.parseLong(next());
      } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
          return Double.parseDouble(next());
      } nextDouble {
          return Double.parseDouble(next());
      } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      } nextLine {
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      } String str = ""; str "" try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  } catch (IOException e) {
	     e.printStackTrace();
	  } IOException e {
	     e.printStackTrace();
	  } e.printStackTrace() e.printStackTrace e {
	     str = br.readLine();
	  } str = br.readLine() str br.readLine() br.readLine br return str; str public class Main{
   public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   }
 
   public static PrintWriter out;
      
   public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   }
} public class Main{
   public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   }
 
   public static PrintWriter out;
      
   public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   }
} Main
import java.io.*;
import java.util.*;
 
public class Main{
   public static void main(String[] args) {
      MyScanner sc = new MyScanner();
      out = new PrintWriter(new BufferedOutputStream(System.out));
      
      //begin
      int n = sc.nextInt();
      int d = sc.nextInt();
      int[] coords = new int[n * d];
      int match = 0;
      for(int i = 0; i < coords.length; i++)
        coords[i] = sc.nextInt();
      for(int i = 0; i <= coords.length - 2 * d; i += d)
      {
          for(int j = i + d; j <= coords.length - d; j += d)
          {
              int sum = 0;
              for(int k = 0; k < d; k++)
                sum += Math.pow(Math.abs(coords[i + k] - coords[j + k]), 2);
              double dist = Math.sqrt(sum);
              if(dist == (int) (dist))
                match++;
          }
      }
      out.println(match);      
      //end
      out.close();
   }
 
   public static PrintWriter out;
      
   public static class MyScanner {
      BufferedReader br;
      StringTokenizer st;
 
      public MyScanner() {
         br = new BufferedReader(new InputStreamReader(System.in));
      }
 
      String next() {
          while (st == null || !st.hasMoreElements()) {
              try {
                  st = new StringTokenizer(br.readLine());
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
          return st.nextToken();
      }
 
      int nextInt() {
          return Integer.parseInt(next());
      }
      long nextLong() {
          return Long.parseLong(next());
      }
      double nextDouble() {
          return Double.parseDouble(next());
      }
      String nextLine(){
          String str = "";
	  try {
	     str = br.readLine();
	  } catch (IOException e) {
	     e.printStackTrace();
	  }
	  return str;
      }
   }
}