#include <iostream>
using namespace std;
const int N = 1e5 + 10;
int a[N];
int main()
{
int n;
cin >> n;
for (int i = 0; i < n; i ++ ) cin >> a[i];
int res = 0;
for (int i = 0; i < n; i += 2) //只要奇数级台阶异或起来不为零,则起手必胜
{
res ^= a[i];
}
if (res) puts("Yes");
else puts("No");
return 0;
}