[백준] 2920번

import java.util.*;
import java.io.*;
import java.math.*;

public class Main {
   public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      String inp = "";
      for (int i = 1; i <= 8; i++) {
         if (i != 8) {
            inp += sc.nextInt() + " ";
         } else if (i == 8) {
            inp += sc.nextInt();
         }
      }
      if (inp.equals("1 2 3 4 5 6 7 8")) {
         System.out.print("ascending");
      } else if (inp.equals("8 7 6 5 4 3 2 1")) {
         System.out.print("descending");
      } else {
         System.out.println("mixed");
      }
   }
}