/*
Author: Yiu Yu Ho
*/

import java.io.*;
import java.util.*;

public class lotto
{
	public Scanner in = new Scanner(System.in);
	public PrintStream out = System.out;

	public void main()
	{
		int n;
		TreeSet<Integer> S;

		n=in.nextInt();
		while(n>0)
		{
			n=6*n;
			S=new TreeSet<Integer>();
			for(int i=0;i<n;++i)
			{
				S.add(in.nextInt());
			}
			out.println((S.size()==49)?"Yes":"No");

			n=in.nextInt();
		}
	}

	public static void main(String[] args) 
	{
		long startTime = System.currentTimeMillis();
		(new lotto()).main();
		System.err.println("Time = "+(System.currentTimeMillis() - startTime)+"(ms)");
	}
}