import re

h, n = map(int, input().split())

h_ls = [h]
for i in range(n - 1):
    h_ls.append(int(input()))
h_ls.sort(reverse=True)

ls = ['th'] * 10
ls[1:4] = ['st', 'nd', 'rd']

ans = h_ls.index(h) + 1

print(str(ans) + ls[ans % 10])