#include <unistd.h>

int	ft_str_is_alpha(char *str)
{
	while (*str != '\0')
	{
		if ((*str >= 97 && *str <= 122) || (*str >= 65 && *str <= 90))
			str++;
		else
			return (0);
	}
	return (1);
}

int	main(void)
{
	char	str[] = "";

	if (ft_str_is_alpha(str))
		write(1, "1", 1);
	else
		write(1, "0", 1);
	return (0);
}

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