void main()
{
 int x,k,n,i=3,j,a;

 scanf("%d",&a);
 for(x=6;x<=a;x+=2)
 {
     k=3;
     do
  {
	  //9i=3;
      for(n=k;;n+=2)
   {
       for(i=3;i<=sqrt(n);i+=2)
    {
        if(n%i==0)
         break;
    }
	   if(i>sqrt(n))
		   break;
	  }
      for(j=3;j<=sqrt(x-n);j+=2)
   {
       if((x-n)%j==0)
        break;
   }
      k=n+2;
  }while(j<=sqrt(x-n));
  printf("%d=%d+%d\n",x,n,x-n);
 }
}