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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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 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 int ans = 0; ans 0 for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            }
        } int i = 0; int i = 0; i 0 i<n i n i++ i++ i {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            }
        } {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            }
        } for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            } int j = i+1; int j = i+1; j i+1 i 1 j<n j n j++ j++ j {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            } {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            } int dis = 0; dis 0 for (int k = 0;k<d;k++) {
                    dis += (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 {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                } {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                } dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]) dis (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 boolean flag = false; flag false for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                } int l = 1; int l = 1; l 1 l <= dis l dis l++ l++ l {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                } {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                } if (l * l == dis) {
                        flag = true;
                        break;
                    } l * l == dis l * l l l dis {
                        flag = true;
                        break;
                    } flag = true flag true break; if (flag) ans++; flag 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) 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];
        for (int i = 0;i<n;i++) {
            for (int j = 0;j<d;j++) {
                x[i][j] = sc.nextInt();
            }
        }

        int ans = 0;
        for (int i = 0;i<n;i++) {
            for (int j = i+1;j<n;j++) {
                int dis = 0;
                for (int k = 0;k<d;k++) {
                    dis += (x[i][k] - x[j][k]) * (x[i][k] - x[j][k]);
                }
                boolean flag = false;
                //System.out.println(dis);
                for (int l = 1;l <= dis;l++) {
                    if (l * l == dis) {
                        flag = true;
                        break;
                    } 
                }
                if (flag) ans++;
            }
        }
        System.out.println(ans);

    }
}
