void main()
{
	int n,i=6,a,d,m,p,q,r,s;
	scanf("%d",&n);
	for(;i<=n;i=i+2)
	{
		
		for(a=3;a<=i/2;a=a+2)
		{
			m=a;
			d=i-a;
			r=0;s=0;
			for(p=3;p<=(m/2);p=p+2)
			if(m%p==0) r=1;
				
			for(q=3;q<=(sqrt(d));q=q+2)
			if(d%q==0) s=1;
				

			if(r==0&&s==0)break;
		}
		printf("%d=%d+%d\n",i,m,d);
	}
}

