JETBRAINS QUEST: LAST PUZZLE

This is it. The last puzzle. You are just one step away from glory!

Now you need the Key to the last Quest to use on the Quest page.

The Key is the first and last 4 digits of the 50**6th position of the Fibonacci sequence (F(50 Million)).

As you may know by now, not all that glitters is gold, to solve the puzzles you should not go straight for the obvious answer. May you make a glorious choice.