using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
class MainClass {
static void Main() {
string[] arry = {"a","b","f","k"};
string[] arry1 = {"y","b","h","n"};
if(checkExists(arry,arry1))
{
Console.WriteLine("True");
}
else
{
Console.WriteLine("false");
}
}
public static bool checkExists(string [] arry, string[] arry1)
{
Hashtable list1 = new Hashtable();
for(int i =0; i< arry.Count() ;i++)
{
if(!list1.ContainsKey(arry[i]))
list1.Add(arry[i],true);
}
for(int k=0;k<arry1.Count(); k++)
{
if(!list1.ContainsKey(arry1[k]))
return true;
}
return false;
}
}
