s,n = gets.chomp.split(" ").map(&:to_i)
a = []
a << s
(n - 1).times { a << gets.chomp.to_i}
a = a.sort.reverse
z = a.index(s) + 1
case z
when 1
    suffix = "st"
when 2
    suffix = "nd"
when 3
    suffix = "rd"
else
    suffix = "th"
end
puts "#{z}#{suffix}"