warning: /var/cache/dnf/rpmfusion-free-updates-d6a95764d888d197/packages/vlc-3.0.1-1.fc27.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID 7d838377: NOKEY
Importing GPG key 0x7D838377:
 Userid     : "RPM Fusion free repository for Fedora (27) <rpmfusion-buildsys@lists.rpmfusion.org>"
 Fingerprint: 38FF 4B07 9890 0DAF 5E67 D7D1 1DBD E605 7D83 8377
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-free-fedora-27
Is this ok [y/N]: