import java.util.Scanner;
public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
} Main public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    } main {
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int ans = 0; ans 0 if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        } a >= 13 a 13 {
        	ans = b;
        } ans = b ans b if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        } a <= 13 && a >= 6 a <= 13 a 13 a >= 6 a 6 {
            ans = b / 2;
        } ans = b / 2 ans b / 2 b 2 if(a < 6){
        	ans = 0;
        } a < 6 a 6 {
        	ans = 0;
        } ans = 0 ans 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 a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
} public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
}