n, m, l = map(int, input().split())
a = list(map(int, input().split()))
lim = 1001
dp = [[0] * lim for i in range(n+1)]
dp[0][l] = 1
for i in range(n):
  for j in range(lim):
    if dp[i][j]:
      dp[i+1][(j+a[i])//2] = 1
      dp[i+1][j] = 1
print("Yes" if dp[n][m] else "No")