#include <stdio.h>
#include <stdlib.h>

#define	ONE	'\xc0'
#define	ZERO	'\xbf'

int
main (int argc, char *argv[])
{
	FILE *fp;
	char c;
	int b, i, s = 0, n = 0;

	if ((fp = fopen(argv[1], "r")) == NULL)
	{
		perror("fopen");
		exit (1);
	}

	while ((c = fgetc(fp)) != EOF)
	{
		if (c == '\n')
			continue;
		if (n % 2)
		{
			if (c == ONE)
				b = 1;
			else if (c == ZERO)
				b = 0;
			else {
				printf("unknown glyph\n");
				exit (1);
			}

			if (b) {
				s |= (1 << (7 - ((n % 16) / 2)));
			}
		}
		if (((n + 1) % 16) == 0)
		{
			printf("%c", s);
			s = 0;
		}
		n++;
	}

	fclose (fp);
}