#include <stdio.h>

int main()
{
	int nu, n, i, s;
	while (scanf("%d %d", &n, &s) != -1)
	{
		for (i = 1; i < n; i++)
		{
			scanf("%d", &nu);
			s ^= nu;
		}
		if (s)
		{
			printf("Yes\n");
		}
		else
		{
			printf("No\n");
		}
	}
	return 0;
}