N = int(input())
# https://oeis.org/search?q=1%2C3%2C4%2C7%2C8%2C9%2C10%2C15&language=japanese&go=%E6%A4%9C%E7%B4%A2
# 2^n-1 <= x < 2^n-1+2^(n-1)
for i in range(1,60):
    if (2**(i)-1) <= N < (2**(i)-1 + 2**(i-1)):
        print('YES')
        exit()
print('NO')