[백준] 2920번 : 음계 - Python(파이썬)

https://www.acmicpc.net/problem/2920

a=list(map(int,input().split()))
b=0;
if a[0]==1:
    for i in range(2,9):
        if a[i-1]!=i:
            b+=1
            print("mixed")
            break
    if b==0:
        print("ascending")
elif a[0]==8:
    for i in range(2,9):
        if a[i-1]!=9-i:
            b+=1
            print("mixed")
            break
    if b==0:
        print("descending")
else:
    print("mixed")