Mousesack's Spell

Mousesack, the mighty druid of Cintra was summoned to cast a powerful spell against Nilfgard troops. Apparently, mathematics and witchraft are more related than you think. A special type of spells called Discrete Logarithmus is sealed by Elliptic Curve mathematics. Solve Help Mousesack to solve this Elliptic Curve seal in order to cast his spell!

Use flagCheck to input the flag you get from the challenge to get the actual flag