import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int[] values = new int[n]; int total = 0; for (int i = 0; i < n; i++) { values[i] = sc.nextInt(); total += values[i]; } if (total % 3 != 0) { System.out.println("No"); return; } int each = total / 3; int[] dp = new int[1 << n]; HashSet<Integer> stock = new HashSet<>(); for (int i = 1; i < (1 << n); i++) { for (int j = 0; j < n; j++) { if ((i & (1 << j)) == 0) { continue; } dp[i] = dp[i ^ (1 << j)] + values[j]; break; } if (dp[i] != each) { continue; } for (int x : stock) { if ((x & i) == 0) { System.out.println("Yes"); return; } } stock.add(i); } System.out.println("No"); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }