2920 음계

import java.util.*;
 
public class Main {
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int[] Cmajor = new int[8];
        int[] a = {1, 2, 3, 4, 5, 6, 7, 8};
        int[] b = {8, 7, 6, 5, 4, 3, 2, 1};
        for(int i=0; i<8; i++) {
            Cmajor[i] = sc.nextInt();
        }
        if(Arrays.equals(Cmajor, a)) {
            System.out.println("ascending");
        }
        else if(Arrays.equals(Cmajor, b)) {
            System.out.println("descending");
        }
        else {
            System.out.println("mixed");
        }
    }
}