#include <stdio.h>
#include <stdlib.h>

extern void registerme ( const char [] );
extern int evaluate ( unsigned int );
extern void verify ( unsigned int );

int findpeak ()
{
   int L, R, M, val1, val2;

   R = 1;
   while (1) {
      val1 = evaluate(R);
      val2 = evaluate(R+1);
      if (val1 > val2) break;
      R *= 32;
   }

   L = R / 32;
   while (L < R) {
      M = (L + R) / 2;
      val1 = evaluate(M);
      val2 = evaluate(M+1);
      if (val1 < val2) L = M + 1; else R = M;
   }

   return L;
}

int main ( int argc, char *argv[] )
{
   unsigned int n;

   if (argc == 1) registerme("99FB1331"); else registerme(argv[1]);
   n = findpeak();
   verify(n);
}