using System; using System.Collections.Generic; class P { static void Main() { new P().Sol(); } private int A,B; private Random R=new Random(); private string Rand() { int l=50; var res=new char[l]; for(int i=0;i(); while(true) { var s=Rand(); var lo=GetHash(s); string o; if(d.TryGetValue(lo,out o)) { Console.WriteLine($"{o}\n{d[lo]}"); break; } else { d[lo]=s; } } } }