/**********************************************************************************/
/*  Problem: d584 "技能點數skill" from jack1                                  */
/*  Language: JAVA (878 Bytes)                                                    */
/*  Result: AC(132ms, 4.5MB) judge by this@ZeroJudge                              */
/*  Author: ssc24 at 2011-09-27 20:43:47                                          */
/**********************************************************************************/


package javaapplication42;
import java.util.*;
//import java.math.*;



public class JavaApplication42 {


  public static void main(String[] args) {


    Scanner sc = new Scanner(System.in);

      while (sc.hasNext()){

      int ca =sc.nextInt();
      int lv=sc.nextInt();
      int sum =0;

      if(lv>=120){
        sum+=6;
      }else if(lv>=70){
        sum +=3;
      }else if(lv>=30){
        sum +=2;
      }else if(lv>=10){
        sum +=1;
      }else if(lv==9){
        if(ca==2)
        sum +=1;
      }else if(lv==8){
        if(ca==2)
        sum +=1;
      }

      if(ca==0){
        sum =0;
      }else if(ca==2){
        sum=sum+(lv-8)*3;
      }else{
        sum=sum+(lv-10)*3;
      }

      System.out.println(sum);




   }//whlle*/
  }//main



}//class