import java.util.Arrays;
import java.util.Scanner;


public class Main {
	public static void main(String[] a) {
		Scanner s=new Scanner(System.in);
		s.nextInt();
		int[] L={0,1,2,3,4,5,6};
		while(s.hasNext())L[s.nextInt()]+=10;
		Arrays.sort(L);
		System.out.println(L[6]%10);
	}
}