H,N = map(int,input().split())
rank = 1
for i in range(N-1):
	h = int(input())
	if H < h:
		rank+=1
suffix = 'th'
if rank % 10 == 1:
	suffix = 'st'
elif rank % 10 == 2:
	suffix = 'nd'
elif rank % 10 == 3:
	suffix = 'rd'
print(str(rank) + suffix)