#!/usr/bin/env python3
import sys

def main():
    N = int(input())
    A = list(map(int, input().split()))
    for i in range(3 ** N):
        classes = [0] * 3
        p = i
        for b in range(N):
            p, q = divmod(p, 3)
            if q == 0:
                classes[0] += A[b]
            elif q == 1:
                classes[1] += A[b]
            else:
                classes[2] += A[b]
        if classes[0] == classes[1] == classes[2]:
            print("Yes")
            return
    print("No")
    return

if __name__ == '__main__':
    main()