package timus; import java.util.Scanner; /** * Created by sherxon on 12/5/16. */ public class PenaltyTime { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n=in.nextInt(); int m=in.nextInt(); int sum=0; for (int i = 0; i < 10; i++) { sum+=in.nextInt(); } sum*=20; System.out.println(m-sum >= n ? "No chance." : "Dirty debug :("); } }