#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

class Fraction
{
private:
    long long n; // 分子（numerator）
    long long d; // 分母（denominator）

    // 約分
    void reduce(){
        if(d < 0){
            n *= -1;
            d *= -1;
        }
        long long a = abs(n);
        long long b = d;
        while(b != 0){
            long long tmp = a % b;
            a = b;
            b = tmp;
        }
        n /= a;
        d /= a;
    }
public:
    Fraction(){
        n = 0;
        d = 1;
    }
    Fraction(long long n0){
        n = n0;
        d = 1;
    }
    Fraction(long long n0, long long d0){
        n = n0;
        d = d0;
        reduce();
    }
    pair<long long, long long> getValue() const{
        return make_pair(n, d);
    }
    const Fraction operator+(const Fraction& f) const{
        return Fraction(n*f.d + d*f.n, d*f.d);
    }
    const Fraction operator-(const Fraction& f) const{
        return Fraction(n*f.d - d*f.n, d*f.d);
    }
    const Fraction operator*(const Fraction& f) const{
        return Fraction(n*f.n, d*f.d);
    }
    const Fraction operator/(const Fraction& f) const{
        return Fraction(n*f.d, d*f.n);
    }
    bool operator==(const Fraction& f) const{
        return n == f.n && d == f.d;
    }
    bool operator!=(const Fraction& f) const{
        return n != f.n || d != f.d;
    }
    bool operator<(const Fraction& f) const{
        return n * f.d < f.n * d;
    }
};

bool solve(const vector<Fraction>& v)
{
    int n = v.size();
    for(int i=0; i<n; ++i){
        for(int j=0; j<n; ++j){
            if(i == j)
                continue;

            for(int k=0; k<4; ++k){
                Fraction a;
                if(k == 0)
                    a = v[i] + v[j];
                else if(k == 1)
                    a = v[i] - v[j];
                else if(k == 2)
                    a = v[i] * v[j];
                else
                    a = v[i] / v[j];

                if(a == 0)
                    return true;

                vector<Fraction> v2 = v;
                v2[i] = a;
                v2.erase(v2.begin() + j);
                if(solve(v2))
                    return true;
            }
        }
    }

    return false;
}

int main()
{
    int n;
    cin >> n;

    vector<Fraction> v(n);
    for(int i=0; i<n; ++i){
        int a;
        cin >> a;
        v[i] = a;
    }

    if(solve(v))
        cout << "YES" << endl;
    else
        cout << "NO" << endl;

    return 0;
}