import java.util.Scanner;
import java.lang.Math;
import java.lang.StringBuilder;
import java.util.regex.Pattern;
import java.util.Arrays;


    public class Main {
        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
  
            int k = sc.nextInt();
            double c = 0;
            int[] a = {2,3,5,7,11,13};
            int[] b = {4,6,8,9,10,12};
            for(int i=0;i<6;i++){
                for(int j=0;j<6;j++){
                    if(a[i]*b[j]==k){
                        c++;
                    }
                }
            }
            System.out.println(c/36);
        }
    }