N, M, L = map(int, input().split())
A = list(map(int, input().split()))
mx = 1005

pre = [0] * mx
pre[L] = 1
for i in range(N):
    dp = [0] * mx
    for j in range(mx):
        dp[j] |= pre[j]
        dp[(j + A[i])//2] |= pre[j]
    dp, pre = pre, dp
    
print("Yes") if pre[M] else print("No")