#37 백준 파이썬 [2920] 음계
#37 백준[2920] 음계 https://www.acmicpc.net/problem/2920 #Solution scale_num = list(map(int, input().split())) if scale_num == [1,2,3,4,5,6,7,8]: print("ascending") elif scale_num == [8,7,6,5,4,3,2,1]: print("descending") else: print("mixed")