N,X,M = map(int, input().split())
A = list(map(int, input().split()))
B = [0] * N
for i,a in enumerate(A):
    j = 0
    while a >= X:
        a //= 2
        j += 1
    B[i] = j
ans = 0
t = 0
for i in reversed(range(N)):
    if B[i] > t:
        ans += (i+1) * (B[i] - t)
        t = B[i]
if ans <= M:
    print("Yes")
else:
    print("No")
print(ans)