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


public class Main
{
    public static void main(String args[]) throws IOException
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String s = br.readLine();
        if(s.equals("1 2 3 4 5 6 7 8"))
            System.out.print("ascending");
        else if(s.equals("8 7 6 5 4 3 2 1"))
            System.out.print("descending");
        else
            System.out.print("mixed");
    }
}

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