import sys

def main():
    N = int(sys.stdin.readline())
    E = list(map(int, sys.stdin.readline().split()))
    sum_total = sum(E)
    
    if sum_total % 3 != 0:
        print("No")
        return
    
    target = sum_total // 3
    for e in E:
        if e > target:
            print("No")
            return
    
    E.sort(reverse=True)
    
    def backtrack(index, a, b, c):
        if index == N:
            return a == target and b == target and c == target
        
        current = E[index]
        # Try adding to A
        if a < target and a + current <= target:
            if backtrack(index + 1, a + current, b, c):
                return True
        # Try adding to B
        if b < target and b + current <= target:
            if backtrack(index + 1, a, b + current, c):
                return True
        # Try adding to C
        if c < target and c + current <= target:
            if backtrack(index + 1, a, b, c + current):
                return True
        # None of the options work
        return False
    
    if backtrack(0, 0, 0, 0):
        print("Yes")
    else:
        print("No")

if __name__ == "__main__":
    main()