#include<iostream>
#include<set>
#include<vector>
using namespace std;
long gcd(long a,long b){return b?gcd(b,a%b):a;}
pair<long,long>norm(long a,long b)
{
	long g=gcd(a,b);
	if(g!=1)a/=g,b/=g;
	if(b<0)a=-a,b=-b;
	return make_pair(a,b);
}
set<pair<long,long> >M[1<<17];
int N;
long A[7];
main()
{
	cin>>N;
	for(int i=0;i<N;i++)
	{
		cin>>A[i];
		M[1<<i].insert(norm(A[i],1));
	}
	for(int i=1;i+1<1<<N;i++)
	{
		if(__builtin_popcount(i)==1)continue;
		for(int x=i;;x=x-1&i)
		{
			for(int y=i&~x;;y=y-1&i&~x)
			{
				for(const pair<long,long>&X:M[x])
				{
					for(const pair<long,long>&Y:M[y])
					{
						M[i].insert(norm(X.first*Y.second+Y.first*X.second,X.second*Y.second));
						M[i].insert(norm(X.first*Y.second-Y.first*X.second,X.second*Y.second));
						M[i].insert(norm(-X.first*Y.second+Y.first*X.second,X.second*Y.second));
						M[i].insert(norm(X.first*Y.first,X.second*Y.second));
						M[i].insert(norm(X.first*Y.second,X.second*Y.first));
						M[i].insert(norm(Y.first*X.second,Y.second*X.first));
					}
				}
				if(y==0)break;
			}
			if(x==0)break;
		}
	}
	for(int i=1;i<1<<N;i++)for(int j=1;j<1<<N;j++)
	{
		if(i&j)continue;
		for(const pair<long,long>&X:M[i])
		{
			if(M[j].find(X)!=M[j].end())
			{
				cout<<"YES"<<endl;
				return 0;
			}
		}
	}
	cout<<"NO"<<endl;
}