import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        int tmp=0;
        for(int i=1;i<=12;i++){
          if(i==1||i==10) tmp+=2;
          else if(i==11) tmp+=1;
          else if(i==12) tmp+=0;
          else tmp+=3;
          if(i==3) tmp++;
        }
        System.out.println(tmp);
    }
}