/**********************************

 **    File:       truckin.c     **

 **    Programmer: Marc Douet    **

 **    Date:       09/10/03      **

 **********************************/

#include <stdio.h>

#define  TRUCK_HEIGHT  168

int main()
{
  int  val1, val2, val3, CrashHeight = 0;

  scanf("%i %i %i\n", &val1, &val2, &val3);

  if(val1 <= TRUCK_HEIGHT) 
	  CrashHeight = val1;
  
  else if(val2 <= TRUCK_HEIGHT)
	  CrashHeight = val2;
  
  else if(val3 <= TRUCK_HEIGHT)
	  CrashHeight = val3;
  
  if(CrashHeight)
      printf("CRASH %i\n", CrashHeight);
  
  else 
      printf("NO CRASH\n");

  return 0;
}