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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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(); 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] x[i] x i j sc.nextInt() sc.nextInt sc for(int i=0; i<n-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      }
    } int i=0; int i=0; i 0 i<n-1 i n-1 n 1 ++i ++i i {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      }
    } {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      }
    } for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      } int j=i+1; int j=i+1; j i+1 i 1 j<n j n ++j ++j j {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      } {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      } double kyori = 0; kyori 0 for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        } int k=0; int k=0; k 0 k<d k d ++k ++k k {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        } {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        } int calc = Math.abs(x[i][k] - x[j][k]); calc Math.abs(x[i][k] - x[j][k]) Math.abs Math x[i][k] - x[j][k] x[i][k] x[i] x i k x[j][k] x[j] x j k kyori = kyori + calc*calc kyori kyori + calc*calc kyori calc*calc calc calc kyori = Math.sqrt(kyori) kyori Math.sqrt(kyori) Math.sqrt Math kyori if(kyori - (int)kyori == 0.0) ++ans; kyori - (int)kyori == 0.0 kyori - (int)kyori kyori (int)kyori 0.0 ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++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-1; ++i) {
      for(int j=i+1; j<n; ++j) {
        double kyori = 0;
        for(int k=0; k<d; ++k) {
          int calc = Math.abs(x[i][k] - x[j][k]);
          kyori = kyori + calc*calc;
        }
        kyori = Math.sqrt(kyori);
        if(kyori - (int)kyori == 0.0) ++ans;
      }
    }

    System.out.println(ans);
  }
}