import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;

public class No564 {

	public static void main(String[] args){
	    try{
		    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		    String[] temp = br.readLine().split(" ");
		    int H = Integer.parseInt(temp[0]);
		    int N = Integer.parseInt(temp[1]);
		    int[] heights = new int[N];
		    for(int i=1; i < N; i++)
		    	heights[i] = Integer.parseInt(br.readLine());
		    heights[0] = H;
		    Arrays.sort(heights);
		    
		    int count = 0;
		    for(int i=0; i < N; i++){
		    	if(heights[i] == H){ 
		    		count = i+1;
		    		break;
		    	}
		    }
		    
		    int hitoketa = (N - count + 1) % 10;
		    switch(hitoketa){
		        case 1:
		        	System.out.println((N - count + 1) + "st");
		        	break;
		        case 2:
		        	System.out.println((N - count + 1) + "nd");
		        	break;
		        case 3:
		        	System.out.println((N - count + 1) + "rd");
		        	break;
		        default:
		        	System.out.println((N - count + 1) + "th");
		        	break;
		   }
	       }catch(Exception e){
	    	   e.getStackTrace();
	       }
	}
}