void main()
{
   int n,i,j;
   int a[50001];
   scanf("%d",&n);
   for (i=2;i<=n;i++)
   {
	   a[i]=0;
	   for (j=2;j<=(int) sqrt(i);j++)
		   if (i%j==0) {a[i]=1;break;}
   }
   for (i=6;i<=n;i=i+2)
     for (j=3;j<=i/2;j=j+2)
       if (a[j]==0 && a[i-j]==0) {printf("%d=%d+%d\n",i,j,i-j);break;}
}