import java.util.*;

public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int[] h = new int[100];
		int n = 2; 
		int tmp;
		
		for(int i = 0; i < n; i++){
			h[i] = sc.nextInt();
			if(i == 0){
				n = sc.nextInt();
			}
		}
		int mr = h[0];
		for(int j = 0; j < n; j++){
			for(int k = j; k < n; k++){
				if(h[k] < h[j]){
					tmp = h[k];
					h[k] = h[j];
					h[j] = tmp;
				}
			}
		}
		int o = 0;
		for(int l = 0; l < n; l++){
			if(h[l] == mr){
				o = l;
				break;
			}
		}
		int num = n - o;
		if(num == 1){
			System.out.println(num + "st");
		}else if(num == 2){
			System.out.println(num + "nd");
		}else if(num == 3){
			System.out.println(num + "rd");
		}else{
			System.out.println(num + "th");
		}
	}
}