package main

import (
	"fmt"
	"sort"
)

func main() {
	var H, N int
	fmt.Scan(&H, &N)
	h := make([]int, N)
	for i := 0; i < N-1; i++ {
		fmt.Scan(&h[i])
	}
	h[N-1] = H
	sort.Sort(sort.Reverse(sort.IntSlice(h)))
	var rank int
	for r, n := range h {
		if n == H {
			rank = r + 1
		}
	}
	// fmt.Println(h)
	switch rank % 10 {
	case 1:
		fmt.Printf("%dst", rank)
	case 2:
		fmt.Printf("%dnd", rank)
	case 3:
		fmt.Printf("%drd", rank)
	default:
		fmt.Printf("%dth", rank)
	}
	fmt.Println("")
}