import java.util.*;

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