H,N = map(int,input().split())
rank = 1
for i in range(N-1):
    h = int(input())
    if h > H:
        rank += 1
rank = str(rank)

if rank[-1] == '1':
    print(rank+'st')
elif rank[-1] == '2':
    print(rank+'nd')
elif rank[-1] == '3':
    print(rank+'rd')
else:
    print(rank+'th')