21-22_N1

N = int(input())
s = bin(N)[2:]
a = []
for i in s:
    a.append(int(i))

import sys

#print(s)

for i in range(len(a) - 1):
    if a[i + 1] != (a[i] + 1) % 2:
        print("NO")
        sys.exit()

print("YES")