#include<cstdio>
#include<vector>
using namespace std;

int main(){
    unsigned N;
    scanf("%u", &N);
    vector<unsigned> E(N);
    for(int i = 0; i < N; ++i) scanf("%u", &E[i]);
    unsigned three = 1;
    for (unsigned i = 0; i < N; i++){
        three *= 3;
    }
    unsigned lowest, power[3];
    for (unsigned bit = 0; bit < three; bit++)
    {
        power[0] = power[1] = power[2] = 0;
        for (unsigned _i = bit, j = 0; j < N; _i /= 3, j++)
        {
            power[_i%3] += E[j];
        }
        if(power[0] == power[1] && power[1] == power[2]){
            printf("Yes\n");
            return 0;
        } 
    }
    printf("No\n");
	return 0;
}