#include<bits/stdc++.h>
using namespace std;
int main(){
	long long n;
	cin>>n;
	vector<long long>a(n);
	for(int i=0;i<n;i++) cin>>a[i];
	long long sum=accumulate(a.begin(),a.end(),0LL);
	if(sum%n==0) cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
}