import math
N = int(input())

div = []
n = N
i = 2

limit = math.sqrt(N)

if (n == 1 or n == 2) :
    print('NO')
else :
    cnt = 0
    while(True) :
        if (n % i == 0) :
            n //= i
            cnt += 1
        else :
            i += 1
        
        if (i > n or cnt == 3) :
            break
    if (cnt >= 3) :
        print('YES')
    else :
        print('NO')