#include #define rep(i,s,n) for(int i=s;i>n>>k; ll a[n+1]; mapb; a[0]=0; rep(i,1,n+1){ cin>>a[i]; a[i]^=a[i-1]; b[a[i]^k]++; } rep(i,0,n+1){ if(b[a[i]]>=1){ cout<<"Yes"<