import itertools
import sys

input = sys.stdin.readline


def main():
    N = int(input())
    factor = 0
    for i in itertools.count(2):
        if i*i > N:
            break
        while N % i == 0:
            N //= i
            factor += 1

    if N != 1:
        factor += 1

    print('YES' if factor >= 3 else 'NO')


if __name__ == '__main__':
    main()