import sys
#input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
n,m,l=na()
a = na()
MAX = max(a+[m,l])+1
dp = [0] * MAX
dp[l] = 1
for i in range(n):
    ndp = [0] * MAX
    dp, ndp = dp, ndp
    for j in range(MAX):
        if dp[j] == 0:
            continue
        nj = (j + a[i])>>1
        if 0 <= nj < MAX:
            dp[nj] = 1

print(["No","Yes"][dp[m]])