using System; using System.Collections; using System.Collections.Generic; class TEST{ static void Main(){ Sol mySol =new Sol(); mySol.Solve(); } } class Sol{ public void Solve(){ E=new List[N]; for(int i=0;i(); Mono=new HashSet(); for(int i=0;i Mono; List[] E; int N; int[] D; int[] W; public Sol(){ N=ri(); var s=rsa(); D=new int[N]; for(int i=0;iint.Parse(e));} static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));} static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));} }