#include <bits/stdc++.h>
using namespace std;
int main() {
  int N;
  scanf("%d", &N);
  set<int> vals;
  for (int i = 0; i < N; i++) {
    int a;
    scanf("%d", &a);
    vals.insert(a);
  }
  int sum = 0;
  for (auto a : vals) sum ^= a;
  if (sum == 0 && (vals.size() == 1 && (N % 3 == 0 && vals.size() <= 3))) {
    puts("Yes");
  } else {
    puts("No");
  }
  return 0;
}
