The Illusionist

Niket is an incredible magician. He has prepared an extraordinary magic trick which he calls as the biggest achievement of his life. He will be performing this magic trick for the first time in the $\text{K}$-Pop World Festival. He is nervous and wants to make sure that everything goes well. His magic trick consists of $\text{N}$ acts labeled from 1 to N. Every act except act 1 is $\text{directly}