// poj2960#include<algorithm>#include<iostream>#include<cstring>#include<cstdlib>#include<cstdio>#include<cmath>#include<map>#define inf 2147483640#define LL long long#define free(a) freopen(a".in","r",stdin);freopen(a".out","w",stdout);using namespace std;inline LL getint() {    LL x=0,f=1;char ch=getchar();    while (ch>‘9‘ || ch<‘0‘) {if (ch==‘-‘) f=-1;ch=getchar();}    while (ch>=‘0‘ && ch<=‘9‘) {x=x*10+ch-‘0‘;ch=getchar();}    return x*f;}int main() {    int n;    while (scanf("%d",&n)!=EOF) {        int ans=0;        for (int i=1;i<=n;i++) {            int x;            scanf("%d",&x);            ans^=x;        }        if (ans) printf("Yes\n");        else printf("No\n");    }    return 0;}