int main()
{
	long n,i,a,b,c,d,e,f;
	scanf("%ld",&n);
	i=6;
	while (i<=n)
	{
		a=3;
		e=1;
		f=1;
		while ((a<=i/2)&(e!=0||f!=0))
		{
			b=i-a;
			c=3;
			d=3;
			e=0;
			f=0;
			while (c<=sqrt(a))
			{
				if (a%c==0)
					e=e+1;
				else
					e=e;
				c++;
			}
			while (d<=sqrt(b))
			{
				if (b%d==0)
					f=f+1;
				else
					f=f;
				d++;
			}
			a=a+2;
		}
		printf("%ld=%ld+%ld\n",i,a-2,b);
		i=i+2;
	}
}
