import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner scan
= new Scanner
(System.
in); int arr[] = new int[8];
int asc = 0, desc = 0;
for (int i = 0; i < 8; i++)
arr[i] = sam.charAt(i) - 48;
for (int i = 0; i < 8; i++) {
if (arr[i] == i + 1) {
asc++;
} else if (arr[i] == 8 - i) {
desc++;
}
}
if (asc == 8) {
System.
out.
print("ascending"); } else if (desc == 8) {
System.
out.
print("descending"); } else
}
}
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