import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    }

    static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    }

    static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) B solver = new B(); solver new B() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    } B public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        } solve {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        } int n = Integer.parseInt(in.next()); n Integer.parseInt(in.next()) Integer.parseInt Integer in.next() in.next in int ans = 0; ans 0 while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            } n > 0 n 0 {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            } if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                } n % 2 != 0 n % 2 n 2 0 {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                } if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++; n % 3 == 0 && n % 5 == 0 && n % 7 == 0 n % 3 == 0 && n % 5 == 0 && n % 7 == 0 n % 3 == 0 n % 3 n 3 0 n % 5 == 0 n % 5 n 5 0 n % 7 == 0 n % 7 n 7 0 ans++ ans if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++; n % 3 == 0 && n % 5 == 0 && n % 11 == 0 n % 3 == 0 && n % 5 == 0 && n % 11 == 0 n % 3 == 0 n % 3 n 3 0 n % 5 == 0 n % 5 n 5 0 n % 11 == 0 n % 11 n 11 0 ans++ ans if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++; n % 3 == 0 && n % 5 == 0 && n % 13 == 0 n % 3 == 0 && n % 5 == 0 && n % 13 == 0 n % 3 == 0 n % 3 n 3 0 n % 5 == 0 n % 5 n 5 0 n % 13 == 0 n % 13 n 13 0 ans++ ans if (n % 27 == 0 && n % 5 == 0) ans++; n % 27 == 0 && n % 5 == 0 n % 27 == 0 n % 27 n 27 0 n % 5 == 0 n % 5 n 5 0 ans++ ans if (n % 27 == 0 && n % 7 == 0) ans++; n % 27 == 0 && n % 7 == 0 n % 27 == 0 n % 27 n 27 0 n % 7 == 0 n % 7 n 7 0 ans++ ans n-- n out.println(ans) out.println out ans int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    }

    static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    }

    static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        B solver = new B();
        solver.solve(1, in, out);
        out.close();
    }

    static class B {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int n = Integer.parseInt(in.next());
            int ans = 0;
            while (n > 0) {
                if (n % 2 != 0) {
                    if (n % 3 == 0 && n % 5 == 0 && n % 7 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 11 == 0) ans++;
                    if (n % 3 == 0 && n % 5 == 0 && n % 13 == 0) ans++;
                    if (n % 27 == 0 && n % 5 == 0) ans++;
                    if (n % 27 == 0 && n % 7 == 0) ans++;
                }
                n--;
            }

            // 出力
            out.println(ans);

        }

    }
}

