Yahav Q2

#include <stdio.h>


int
main ()
{
  printf ("Please enter letters:\n");
  char ch;
  char closertoz;
  scanf (" %c", &ch);
  if (ch == '#')
    return 0;
  int disfromz = 0;

  if (ch >= 'A' && ch <= 'Z')
    {
      disfromz = (int) ('Z' - ch);
      ch += ('a' - 'A');
    }
  else
    disfromz = (int) ('z' - ch);

  closertoz = ch;
  int maximumfromz = disfromz;
  while (2 > 0)
    {
      scanf (" %c", &ch);
      if (ch == '#')
	{
	  printf ("%c", closertoz);
	  return 0;
	}

      if (ch >= 'A' && ch <= 'Z')
	{
	  disfromz = (int) ('Z' - ch);
	  ch = (char) ((int) ch + ((int) ('a' - 'A')));
	}
      else
	disfromz = (int) ('z' - ch);
      if (disfromz < maximumfromz)
	{
	  closertoz = ch;
	  maximumfromz = disfromz;
	}
    }
}