h,n = gets.chomp.split.map(&:to_i)

rank = 1

(n - 1).times do
  if gets.chomp.to_i > h
    rank += 1
  end
end

one = (rank % 10).to_s
rank = rank.to_s

if one == '1'
  puts rank + 'st'
elsif one == '2'
  puts rank + 'nd'
elsif one == '3'
  puts rank + 'rd'
else
  puts rank + 'th'
end