
import java.text.DecimalFormat;
import java.util.stream.LongStream;
import java.util.stream.IntStream;
import java.io.*;
import java.util.*;

public class Main {

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    }

}

class AtCoder {

    final int N, D;
    int[][] x;

    AtCoder(FastScanner sc) {
        N = sc.nextInt();
        D = sc.nextInt();
        x = new int[N][D];
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < D; j++) {
                x[i][j] = sc.nextInt();
            }
        }
    }

    void solve(PrintWriter out) {
        int cnt = 0;
        for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        }
        out.println(cnt);
    }

    double distance(int i, int j) {
        double dist = 0.0;
        for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        }
        return Math.sqrt(dist);
    }
}

// https://qiita.com/p_shiki37/items/a0f6aac33bf60f5f65e4
class FastScanner {

    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }

    private int readByte() {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    }

    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }

    public boolean hasNext() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        }
        return hasNextByte();
    }

    public String next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public long nextLong() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }

    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        }
        return (int) nl;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }
} import java.text.DecimalFormat; DecimalFormat java.text import java.util.stream.LongStream; LongStream java.util.stream import java.util.stream.IntStream; IntStream java.util.stream import java.io.*; io.* java import java.util.*; util.* java public class Main {

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    }

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    } main {
        FastScanner sc = new FastScanner();
        PrintWriter out = new PrintWriter(System.out);

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    } FastScanner sc = new FastScanner(); sc new FastScanner() PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) AtCoder problem = new AtCoder(sc); problem new AtCoder(sc) problem.solve(out) problem.solve problem out out.flush() out.flush out String[] args args class AtCoder {

    final int N, D;
    int[][] x;

    AtCoder(FastScanner sc) {
        N = sc.nextInt();
        D = sc.nextInt();
        x = new int[N][D];
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < D; j++) {
                x[i][j] = sc.nextInt();
            }
        }
    }

    void solve(PrintWriter out) {
        int cnt = 0;
        for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        }
        out.println(cnt);
    }

    double distance(int i, int j) {
        double dist = 0.0;
        for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        }
        return Math.sqrt(dist);
    }
} AtCoder final int N N D; D int[][] x; x AtCoder(FastScanner sc) {
        N = sc.nextInt();
        D = sc.nextInt();
        x = new int[N][D];
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < D; j++) {
                x[i][j] = sc.nextInt();
            }
        }
    } AtCoder {
        N = sc.nextInt();
        D = sc.nextInt();
        x = new int[N][D];
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < D; j++) {
                x[i][j] = sc.nextInt();
            }
        }
    } N = sc.nextInt() N sc.nextInt() sc.nextInt sc D = sc.nextInt() D sc.nextInt() sc.nextInt sc x = new int[N][D] x new int[N][D] N D 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 FastScanner sc sc void solve(PrintWriter out) {
        int cnt = 0;
        for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        }
        out.println(cnt);
    } solve {
        int cnt = 0;
        for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        }
        out.println(cnt);
    } int cnt = 0; cnt 0 for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        } {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        } for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            } int j = i + 1; int j = i + 1; j i + 1 i 1 j < N j N j++ j++ j {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            } {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            } if (distance(i, j) % 1 == 0) {
                    cnt++;
                } distance(i, j) % 1 == 0 distance(i, j) % 1 distance(i, j) distance i j 1 0 {
                    cnt++;
                } cnt++ cnt out.println(cnt) out.println out cnt PrintWriter out out double distance(int i, int j) {
        double dist = 0.0;
        for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        }
        return Math.sqrt(dist);
    } distance {
        double dist = 0.0;
        for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        }
        return Math.sqrt(dist);
    } double dist = 0.0; dist 0.0 for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        } int k = 0; int k = 0; k 0 k < D k D k++ k++ k {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        } {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        } double y = Math.abs(x[i][k] - x[j][k]); y 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 dist += y * y dist y * y y y return Math.sqrt(dist); Math.sqrt(dist) Math.sqrt Math dist int i i int j j class FastScanner {

    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }

    private int readByte() {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    }

    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }

    public boolean hasNext() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        }
        return hasNextByte();
    }

    public String next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public long nextLong() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }

    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        }
        return (int) nl;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }
} FastScanner private final InputStream in = System.in; in System.in System System.in private final byte[] buffer = new byte[1024]; buffer new byte[1024] 1024 private int ptr = 0; ptr 0 private int buflen = 0; buflen 0 private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } hasNextByte {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr < buflen ptr buflen {
            return true;
        } return true; true {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr = 0 ptr 0 try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                buflen = in.read(buffer);
            } buflen = in.read(buffer) buflen in.read(buffer) in.read in buffer if (buflen <= 0) {
                return false;
            } buflen <= 0 buflen 0 {
                return false;
            } return false; false return true; true private int readByte() {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    } readByte {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    } if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        } hasNextByte() hasNextByte {
            return buffer[ptr++];
        } return buffer[ptr++]; buffer[ptr++] buffer ptr++ ptr {
            return -1;
        } return -1; -1 1 private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    } isPrintableChar {
        return 33 <= c && c <= 126;
    } return 33 <= c && c <= 126; 33 <= c && c <= 126 33 <= c 33 c c <= 126 c 126 int c c public boolean hasNext() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        }
        return hasNextByte();
    } hasNext {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        }
        return hasNextByte();
    } while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        } hasNextByte() && !isPrintableChar(buffer[ptr]) hasNextByte() hasNextByte !isPrintableChar(buffer[ptr]) isPrintableChar(buffer[ptr]) isPrintableChar buffer[ptr] buffer ptr {
            ptr++;
        } ptr++ ptr return hasNextByte(); hasNextByte() hasNextByte public String next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } next {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } if (!hasNext()) {
            throw new NoSuchElementException();
        } !hasNext() hasNext() hasNext {
            throw new NoSuchElementException();
        } throw new NoSuchElementException(); new NoSuchElementException() StringBuilder sb = new StringBuilder(); sb new StringBuilder() int b = readByte(); b readByte() readByte while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        } isPrintableChar(b) isPrintableChar b {
            sb.appendCodePoint(b);
            b = readByte();
        } sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb public long nextLong() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } nextLong {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } if (!hasNext()) {
            throw new NoSuchElementException();
        } !hasNext() hasNext() hasNext {
            throw new NoSuchElementException();
        } throw new NoSuchElementException(); new NoSuchElementException() long n = 0; n 0 boolean minus = false; minus false int b = readByte(); b readByte() readByte if (b == '-') {
            minus = true;
            b = readByte();
        } b == '-' b '-' {
            minus = true;
            b = readByte();
        } minus = true minus true b = readByte() b readByte() readByte if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        } b < '0' || '9' < b b < '0' b '0' '9' < b '9' b {
            throw new NumberFormatException();
        } throw new NumberFormatException(); new NumberFormatException() while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        } true {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        } if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            } '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' {
                n *= 10;
                n += b - '0';
            } n *= 10 n 10 n += b - '0' n b - '0' b '0' if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            } b == -1 || !isPrintableChar(b) b == -1 b -1 1 !isPrintableChar(b) isPrintableChar(b) isPrintableChar b {
                return minus ? -n : n;
            } return minus ? -n : n; minus ? -n : n minus -n n n {
                throw new NumberFormatException();
            } throw new NumberFormatException(); new NumberFormatException() b = readByte() b readByte() readByte public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        }
        return (int) nl;
    } nextInt {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        }
        return (int) nl;
    } long nl = nextLong(); nl nextLong() nextLong if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        } nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE nl < Integer.MIN_VALUE nl Integer.MIN_VALUE Integer Integer.MIN_VALUE nl > Integer.MAX_VALUE nl Integer.MAX_VALUE Integer Integer.MAX_VALUE {
            throw new NumberFormatException();
        } throw new NumberFormatException(); new NumberFormatException() return (int) nl; (int) nl public double nextDouble() {
        return Double.parseDouble(next());
    } nextDouble {
        return Double.parseDouble(next());
    } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public class Main {

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    }

} public class Main {

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    }

} Main

import java.text.DecimalFormat;
import java.util.stream.LongStream;
import java.util.stream.IntStream;
import java.io.*;
import java.util.*;

public class Main {

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

        AtCoder problem = new AtCoder(sc);
        problem.solve(out);

        out.flush();
    }

}

class AtCoder {

    final int N, D;
    int[][] x;

    AtCoder(FastScanner sc) {
        N = sc.nextInt();
        D = sc.nextInt();
        x = new int[N][D];
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < D; j++) {
                x[i][j] = sc.nextInt();
            }
        }
    }

    void solve(PrintWriter out) {
        int cnt = 0;
        for (int i = 0; i < N; i++) {
            for (int j = i + 1; j < N; j++) {
                if (distance(i, j) % 1 == 0) {
                    cnt++;
                }
            }
        }
        out.println(cnt);
    }

    double distance(int i, int j) {
        double dist = 0.0;
        for (int k = 0; k < D; k++) {
            double y = Math.abs(x[i][k] - x[j][k]);
            dist += y * y;
        }
        return Math.sqrt(dist);
    }
}

// https://qiita.com/p_shiki37/items/a0f6aac33bf60f5f65e4
class FastScanner {

    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }

    private int readByte() {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    }

    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }

    public boolean hasNext() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++;
        }
        return hasNextByte();
    }

    public String next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public long nextLong() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }

    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
            throw new NumberFormatException();
        }
        return (int) nl;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }
}
