import sys
from collections import deque, Counter
sys.setrecursionlimit(5 * 10 ** 5)
from pypyjit import set_param
set_param('max_unroll_recursion=-1')
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353

n, m, l = mi()
a = li()
dp = [[0] * 1001 for _ in range(n + 1)]

dp[0][l] = 1

for i in range(n):
    for j in range(1001):
        dp[i + 1][(j + a[i]) // 2] |= dp[i][j]
        dp[i + 1][j] |= dp[i][j]

print('Yes' if dp[n][m] else 'No')