import java.util.*;
public class q2920 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String[] inputs = new String[8];
for(int i=0; i<8; i++) {
inputs[i] = String.valueOf(sc.nextInt());
}
String input = String.join("", inputs);
if(input.equals("12345678")) System.out.println("ascending");
else if(input.equals("87654321")) System.out.println("descending");
else System.out.println("mixed");
}
}