from collections import deque
n, m, l = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
d = deque()
for i in range(n):
    d.append(a[i])
mix = [int((a[i] + l)/2) for i in range(n)]
temp = []
Noflag = True
while len(mix) > 1:
    d.popleft()
    key = 2*m - mix[0]
    mix = mix[1:]
    if m in mix or key in d:
        print("yes")
        Noflag = False
        break
    elif mix[0] < m:
        temp = [int((i + mix[0])/2) for i in d]
        mix = temp.copy()
if Noflag:
    print("No")