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