import hmac;
import hashlib;
signature = hmac.new("SECRET", msg="message", digestmod=hashlib.sha256).hexdigest().upper();
print signature;
aW1wb3J0IGhtYWM7CmltcG9ydCBoYXNobGliOwoKc2lnbmF0dXJlID0gaG1hYy5uZXcoIlNFQ1JFVCIsIG1zZz0ibWVzc2FnZSIsIGRpZ2VzdG1vZD1oYXNobGliLnNoYTI1NikuaGV4ZGlnZXN0KCkudXBwZXIoKTsKcHJpbnQgc2lnbmF0dXJlOw==