import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class No564 {

    public static void main(String[] args) {
	Scanner s = new Scanner(System.in);
	ArrayList<Integer> list = new ArrayList<>();
	int H = s.nextInt();
	int N = s.nextInt();
	list.add(H);
	for(int i=1;i<N;i++){
	    list.add(s.nextInt());
	}
	Collections.sort(list);
	Collections.reverse(list);
	int rank = list.indexOf(H) + 1;
	String out;
	if(rank % 10 == 1){
	    out = "st";
	}else if(rank % 10 == 2){
	    out = "nd";
	}else if(rank % 10 == 3){
	    out = "rd";
	}else{
	    out = "th";
	}
	System.out.println(rank + out);
     }

}