import java.util.*;

public class Main {
    
    public static void main(String[] args) {
        
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int[] E = new int[N];
        for( int i = 0; i < N; i++ ) {
            E[i] = sc.nextInt();
        }
        
        int lim = (int)Math.pow(3,N);
        for( int i = 0; i < lim; i++ ) {
            String state = String.format("%-13s",Integer.toString(i,3)).replace(" ","0");
            char[] c = state.toCharArray();
            int[] sum = new int[3];
            for( int j = 0; j < N; j++ ) {
                int index = c[j]-'0';
                sum[index] += E[j];
            }
            if( sum[0] == sum[1] && sum[1] == sum[2] ) {
                System.out.println("Yes");
                return;
            }
        }
        
        System.out.println("No");
        
    }
    
}