#include <bits/stdc++.h>
using namespace std;

int main() {
	int N;
	cin >> N;
	vector<int> a( N );
	for( int i = 0; i < N; i++ ) cin >> a[i];
	long long l = -1e9 - 1, h = 1e9 + 1;
	while( h - l > 1 ) {
		long long m = (l + h) / 2;
		long long p = 0, np = 0;
		for( int i = 0; i < N; i++ ) {
			if( a[i] > m ) p += a[i] - m;
			else if( a[i] < m ) np += m - a[i];
		}
		if( p == np ) {
			cout << "Yes" << endl;
			return 0;
		}
		if( p > np ) l = m;
		else h = m;
	}
	cout << "No" << endl;
 }