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];
        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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        }
        System.out.println(ans);
    }
} import java.util.*; util.* java 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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        } {
            for (int j=i+1;j<n;j++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        } for (int j=i+1;j<n;j++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            } int j=i+1; int j=i+1; j i+1 i 1 j<n j n j++ j++ j {
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            } {
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            } int data = 0; data 0 for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]); int k=0; int k=0; k 0 k<d k d k++ k++ k data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]); data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]) data (x[i][k]-x[j][k])*(x[i][k]-x[j][k]) (x[i][k]-x[j][k]) x[i][k] x[i] x i k x[j][k] x[j] x j k (x[i][k]-x[j][k]) x[i][k] x[i] x i k x[j][k] x[j] x j k if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++; Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)) Math.floor(Math.sqrt(data)) Math.floor Math Math.sqrt(data) Math.sqrt Math data Math.ceil(Math.sqrt(data)) Math.ceil Math Math.sqrt(data) Math.sqrt Math data 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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        }
        System.out.println(ans);
    }
} Main
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];
        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++){
                int data = 0;
                for (int k=0;k<d;k++)data+=(x[i][k]-x[j][k])*(x[i][k]-x[j][k]);
                if (Math.floor(Math.sqrt(data))==Math.ceil(Math.sqrt(data)))ans++;
            }
        }
        System.out.println(ans);
    }
}
