st = list(map(int,input().split()))
if st == [1, 2, 3, 4, 5, 6, 7, 8]:
print('ascending')
elif st == [8, 7, 6, 5, 4, 3, 2, 1]:
print('descending')
else:
print('mixed')
if๋ก ๋ฐฐ์ด๊ฐ์ ๋น๊ตํด์ฃผ๋ฉด ๋๋ ๋ฌธ์ ! ์ฌ์ด ๋ฌธ์ ์๋ค!
a = list(map(int, input().split()))
if a == sorted(a):
print('ascending')
elif a == sorted(a, reverse=True):
print('descending')
else:
print('mixed')