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

int main(void){
    int a = 0;
    long i, N;
    scanf("%ld", &N);
    int x = sqrt(N);
    if(N<=7){
        printf("NO\n");
    }else{
        if(N%2==0){
            N = N/2;
            a++;
        }
        if(N%2==0){
            N = N/2;
            a++;
        }
        for(i=3;i<=x;i+=2){
            if(N%i==0){
                N = N/i;
                a++;
                i=3;
            }
            if(a>=2) break;
        }
        if(a>=2){
            printf("YES\n");
        }else{
            printf("NO\n");
        }
    }
    return 0;
}