#include <iostream>
#include <cstdio>
#define LL int
using namespace std;

void solve(LL x)
{
    while((x%2)==0)
    {
        x/=2;
        if(x==1)
            break;
    }
    while((x%3)==0)
    {
        x/=3;
        if(x==1)
            break;
    }
    if(x==1)
       printf("YES!\n");
    else
        printf("NO!\n");
}
int main()
{
    LL x,T;
    while(~scanf("%d",&x))
    {
        if(x==1 || x==2)
            printf("YES!\n");
        if(x==0)
             printf("NO!\n");
        if(x!=1 && x!=2 && x!=0)
        solve(x+1);
    }
    return 0;
}