{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE BangPatterns #-}

import Control.Applicative
import Control.Monad
import Control.Arrow
import Data.List
import Data.Maybe
import Data.Char
import qualified Data.ByteString.Char8 as B
import Text.Printf

readInt = ( readLn :: IO Int )
readInts = map ( read :: String -> Int ) . words <$> getLine

getList = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine

which a b f = if f then a else b
mp [ a, b ] = ( a, b )

main = do
	[ h, n ] <- readInts
	hs <- replicateM ( n - 1 ) readInt
	putStrLn $ conv $ fst $ fromJust $ find ( ( == h ) . snd ) $ zip [ 1 .. ] $ reverse $ sort $ h : hs

conv x
	| x `mod` 10 == 1 = show x ++ "st"
	| x `mod` 10 == 2 = show x ++ "nd"
	| x `mod` 10 == 3 = show x ++ "rd"
	| otherwise = show x ++ "th"