#include <iostream.h>


int main()
{
   int a, b, i, GCD;


   a = 96;
   b = 256;

   GCD = 1;

   for ( i = 1; i < a; i = i + 1)
   {
      if ( (a % i == 0) && (b % i == 0) )
      {
	  GCD = i;
      }
   }
	 
   cout << GCD << endl;

}