n = int(input())
factorization = [0 for i in range(int(n**0.5) + 1)]
for div in range(2,int(n**0.5)+1):
    while n % div == 0:
        factorization[div] += 1
        n = n // div
if sum(factorization) >= 3:
    print("YES")
else:
    print("NO")