import sys
sys.setrecursionlimit(10**7)

def primefac(n):
    pf = {}
    for i in range(2, int(n ** 0.5) + 1):
        while n % i == 0:
            pf[i] = pf.get(i, 0) + 1
            n //= i
    if n > 1: pf[n] = 1
    return pf

n = int(input())
pf = primefac(n)
cnt = 0
for i in pf.items():
    cnt += i[1]
if cnt >= 3:
    print("YES")
    sys.exit()
print("NO")