void main()
{
	int n,m=6,i=3,a,b;
	scanf("%d",&n);
    while(m<=n)
	{	
		while(i<=(m-i))
		{
			for (a=2;a<=sqrt(i);a++)
			{if (i%a==0)
			goto l2;}
				for (b=3;b<=sqrt((m-i));b++)
				{if ((m-i)%b==0)
						goto l2;}
					printf("%d=%d+%d\n",m,i,(m-i));
					goto l1;
l2: i++;
		}
l1:		
		m=m+2;
		i=3;
	}

}