import java.util.*;
public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        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();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    }
    System.out.println(ans);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    }
    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        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 long d = sc.nextLong(); d sc.nextLong() sc.nextLong sc long x[] = new long[n]; x new long[n] n long y[] = new long[n]; y new long[n] n for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    } int i=0 ; int i=0 ; i 0 i<n i n i++ i++ i {
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    } {
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    } x[i] = sc.nextLong() x[i] x i sc.nextLong() sc.nextLong sc y[i] = sc.nextLong() y[i] y i sc.nextLong() sc.nextLong sc long Dis = d*d; Dis d*d d d int ans = 0; ans 0 for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    } int i=0 ; int i=0 ; i 0 i<n i n i++ i++ i {
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    } {
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    } long kyori = (x[i]*x[i]) + (y[i]*y[i]); kyori (x[i]*x[i]) + (y[i]*y[i]) (x[i]*x[i]) x[i] x i x[i] x i (y[i]*y[i]) y[i] y i y[i] y i if(kyori<=Dis){
        ans++;
      } kyori<=Dis kyori Dis {
        ans++;
      } 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();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    }
    System.out.println(ans);
  }
} public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        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();
    long d = sc.nextLong();
    long x[] = new long[n];
    long y[] = new long[n];
    for(int i=0 ; i<n ; i++){
      x[i] = sc.nextLong();
      y[i] = sc.nextLong();
    }
    long Dis = d*d;
    int ans = 0;
    for(int i=0 ; i<n ; i++){
      long kyori = (x[i]*x[i]) + (y[i]*y[i]);
      if(kyori<=Dis){
        ans++;
      }
    }
    System.out.println(ans);
  }
}
