import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        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 count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        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 count = 0; count 0 int ans = 0; ans 0 for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        } int i = 1; int i = 1; i 1 i<=n i n i++ i++ i {
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        } {
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        } for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            } int j = 1; int j = 1; j 1 j<=i j i j+=2 j+=2 j 2 {
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            } {
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            } if(i%j == 0){
                    count++;
                } i%j == 0 i%j i j 0 {
                    count++;
                } count++ count if(count == 8){
                    ans++;
                } count == 8 count 8 {
                    ans++;
                } ans++ ans if(count == 9){
                    ans--;
                    break;
                } count == 9 count 9 {
                    ans--;
                    break;
                } ans-- ans break; count = 0 count 0 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 count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        System.out.println(ans);
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        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 count = 0;
        int ans = 0;
        for(int i = 1;i<=n;i++){
            for(int j = 1;j<=i;j+=2){
                if(i%j == 0){
                    count++;
                }
                if(count == 8){
                    ans++;
                }
                if(count == 9){
                    ans--;
                    break;
                }
            }
            count = 0;
        }
        System.out.println(ans);
    }
}