#include <stdio.h>

main ()
{

  int c;
  while ((c = getchar()) != EOF)
  {
  	if (c > 33 && c < 58)
		c =c + 32 ;
	    printf ("The character is %c \n",c);
	else if ( c < 90 && c > 65)
		c = c - 32;
		printf ("The character is %c \n",c);
	else
		printf (" Incorrect input\n");
	}
}