#include <stdio.h>

int main()
{
	int flag;
	long long i,n,sqr;
	while(scanf("%lld",&n) != EOF)
	{
		flag = 0;
		for(i = 2; i < n; i++)
			if(i*i % n == 0)
				flag = 1;
		if(flag == 1) printf("Yes\n");
		else printf("No\n");
	}
	return 0;
}