printf("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n");
printf("This is free software: you are free to change and redistribute it.\n");
printf("There is NO WARRANTY, to the extent permitted by law.\n");
printf("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n");
printf("This is free software: you are free to change and redistribute it.\n");
printf("There is NO WARRANTY, to the extent permitted by law.\n");