# coding: utf-8
# Your code here!
list_h = []
h, n = map(int, input().rstrip().split())
list_h.append(h)
for i in range(n-1):
    list_h.append(int(input()))
sort_h = sorted(list_h, reverse=True)
rank = str(sort_h.index(h) + 1)
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')