import java.util.Scanner;
import java.util.stream.IntStream;

public class Main{
	static IntStream REPS(int v){return IntStream.range(0,v);}
	static IntStream REPS(int l,int r){return IntStream.rangeClosed(l,r);}
	static IntStream INS(int n) {return REPS(n).map(i->getInt());}
	static Scanner s=new Scanner(System.in);
	static int getInt(){return Integer.parseInt(s.next());}

	public static void main(String[]$){
		int h=getInt(),n=getInt();
		int j=1;
		for(int l=n-1;l>0;--l)
			if(getInt()>h)
				++j;

		String r=""+j;
		switch(j%10) {
		case 1:
			r+="st";
			break;
		case 2:
			r+="nd";
			break;
		case 3:
			r+="rd";
			break;
		default:
			r+="th";
			break;
		}
		System.out.println(r);
	}
}