int main()
{
 int i,j,n;
 int c1=1,c2=1;
 int k,b;
 scanf("%d",&n);
 n=n/2*2;
 for(i=6;i<=n;i+=2)
 {
  for(j=3;j<=i/2;j+=2)
  { 
   c1=1;c2=1;
   b=sqrt(j);
   for(k=3;k<=b;k+=2)
   if(j%k==0)c1=0;
   b=sqrt(i-j);
   for(k=3;k<=b;k+=2)
   if((i-j)%k==0)c2=0;    
  if(c1&&c2)
   {
    printf("%d=%d+%d\n",i,j,i-j);
    break;
   }
}
 }
}
