#include <math.h>
#include <string.h>
#include <stdio.h>

char prime[10001000];

void getPrime(int p){
	int i,j;
	for(i=0;i<p;i++){
		prime[i] = 1;
		if((i&1) == 0){
			prime[i] = 0;
		}
	}
	
	prime[0]=0;
	prime[1]=1;
	prime[2]=1;
	
	for(i=3;i*i<=p;i+=2){
		for(j=i+i;j<=p;j+=i){
			prime[j]=0;
		}
	}
}

int main(void){
	long long int n,tmp;
	int i, p = 10000000 + 1;
	int yes=0;
	getPrime(p);
	
	scanf("%lld", &n);
	
	for(i=2;i<n;i++){
		if(n%i == 0){
			if(prime[i]==1){
				
				int cnt=0;
				tmp = n;
				while(tmp%i == 0){
					tmp/=i;
					cnt++;
				}
				if(cnt>2){
					yes=1;
					break;
				}
				
			}else{
				printf("%d\n", i);
				yes = 1;
				break;
			}
		}
	}
	
	if(yes == 1){
		printf("YES\n");
	}else{
		printf("NO\n");
	}
	
	return 0;
}