#include <stdio.h>

int
main(int argc, char *argv[])
{
	FILE *f;
	int i;
	char buf[128];

	f = fopen(argv[1], "rb");
	if(f == NULL)
		return 1;

	fseek(f, 100, SEEK_SET);
	for(i = 0; i < 128; i++){
		fread(&buf[i], 1, 1, f);
		buf[i] -= 23;
		if(buf[i] == '\0')
			break;
		fseek(f, 99, SEEK_CUR);
	}

	printf("%s\n", buf);
	return 0;
}