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


  return 0;
}