N = int(input())
if N == 1:
    print("NO")
    exit()

import math
m = math.floor(math.sqrt(N))
d = {}

for i in range(2,m):
    while N % i == 0:
        if not i in d:
            d[i] = 0
        d[i] += 1
        N //= i
if not N == 1:
    if not N in d:
        d[N] = 0
    d[N] += 1

a = 0
b = 0
for i in d:
    if d[i] >= 3:
        print("YES")
        exit()
    if d[i] == 2:
        a += 1
    elif d[i] == 1:
        b += 1
if a >= 2 or (a == 1 and b != 0):
    print("YES")
    exit()
if b >= 3:
    print("YES")
    exit()
print("NO")