# Your code here!

def suf(cnt)
    return 'st' if cnt == 1
    return 'nd' if cnt == 2
    return 'rd' if cnt == 3
    
    'th'
end

h, n = gets.chomp.split.map(&:to_i)
cnt = 1

n -= 1
n.times do
    i = gets.chomp.to_i
    cnt += 1 if h < i 
end

puts "#{cnt}#{suf(cnt)}"