# No.564 背の順
height, n = [int(i) for i in input().split()]
h = [int(input()) for i in range(n - 1)]
h.append(height)
h.sort()
rank = n - h.index(height)

if rank % 10 == 1:
    print(str(rank) + 'st')
elif rank % 10 == 2:
    print(str(rank) + 'nd')
elif rank % 10 == 3:
    print(str(rank) + 'rd')
else:
    print(str(rank) + 'th')