#include <stdio.h>

#include "genlib.h"
#include "simpio.h"
#include "string.h"

char endchar(char s[]);

main()
{
	string s;
	s=GetLine();
	printf("%c  ",endchar(s));
}

char endchar(char s[])
{
	if (strlen(s)!=0)
		return (s[strlen(s)-1]);
	else
		return ('\0');
}