#include <bits/stdc++.h>
using namespace std;
using G=vector<vector<int>>;
typedef long long ll;
#define rep(i,l,r) for(int i=(l);i<(r);++i)

int main(){
	int n; cin>>n;
	vector<int> v;
	int cnt=0;
	rep(i,0,n){
		int a; cin>>a;
		v.emplace_back(a);
		cnt+=a;
	}
	cnt=(cnt+n-1)/n;
	int ans=0;
	rep(i,0,n){
		ans+=(v[i]-cnt);
	}
	if(ans==0) cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
}