from math import sqrt

N = int(input())

cnt = 0
for i in range(2,int(sqrt(N)) + 1):
    if N == 1:
        break
    while N % i == 0:
        N //= i
        cnt += 1

if N != 1:
    cnt += 1

if cnt >= 3:
    print("YES")
else:
    print("NO")