
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.io.PrintWriter; PrintWriter java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
    public static void main(String[] args) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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 void main(String[] args) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    } main {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    } FastReader sc = new FastReader(); sc new FastReader() PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int d = sc.nextInt(); d sc.nextInt() sc.nextInt sc int[][] arr = new int[n][d]; arr new int[n][d] n d for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        } {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        } int[] tmp = new int[d]; tmp new int[d] d for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            } int k = 0; int k = 0; k 0 k < d k d k++ k++ k {
                tmp[k] = sc.nextInt();
            } {
                tmp[k] = sc.nextInt();
            } tmp[k] = sc.nextInt() tmp[k] tmp k sc.nextInt() sc.nextInt sc arr[i] = tmp arr[i] arr i tmp int res = 0; res 0 for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        } {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        } for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            } int k = i + 1; int k = i + 1; k i + 1 i 1 k < n k n k++ k++ k {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            } {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            } int tmp = 0; tmp 0 for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                } int t = 0; int t = 0; t 0 t < d t d t++ t++ t {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                } {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                } int a = arr[i][t] - arr[k][t]; a arr[i][t] - arr[k][t] arr[i][t] arr[i] arr i t arr[k][t] arr[k] arr k t tmp += (a * a) tmp (a * a) a a int tmpp = (int) Math.sqrt(tmp); tmpp (int) Math.sqrt(tmp) Math.sqrt Math tmp if (tmp == tmpp * tmpp) {
                    res++;
                } tmp == tmpp * tmpp tmp tmpp * tmpp tmpp tmpp {
                    res++;
                } res++ res out.println(res) out.println out res out.flush() out.flush out String[] args args static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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;
        }
    } FastReader BufferedReader br; br StringTokenizer st; st public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        } FastReader {
            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) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
        FastReader sc = new FastReader();
        PrintWriter out = new PrintWriter(System.out);

        int n = sc.nextInt();
        int d = sc.nextInt();
        int[][] arr = new int[n][d];
        for (int i = 0; i < n; i++) {
            int[] tmp = new int[d];
            for (int k = 0; k < d; k++) {
                tmp[k] = sc.nextInt();
            }
            arr[i] = tmp;
        }

        int res = 0;

        for (int i = 0; i < n; i++) {

            for (int k = i + 1; k < n; k++) {
                int tmp = 0;
                for (int t = 0; t < d; t++) {
                    int a = arr[i][t] - arr[k][t];
                    tmp += (a * a);
                }
                int tmpp = (int) Math.sqrt(tmp);
                if (tmp == tmpp * tmpp) {
                    res++;
                }
            }
        }

        out.println(res);
        out.flush();
    }

    //    public static void calcD(Map<Integer, Integer> dic, int index, )

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            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;
        }
    }
}