// C# program to demonstrate
// ToCharArray() method
using System;
class AllTechnicalFAQs {
// Main Method
public static void Main()
{
String str = Console.ReadLine();
// copy the string str to chars
// character array & it will start
// copy from ‘G’ to ‘s’, i.e.
// beginning to ending of string
char[] chars = str.ToCharArray();
bool isFound = false;
// to display the resulted character array
for (int i = 0; i < chars.Length; i++)
{
for (int j = i+1; i < chars.Length; i++)
{
if ( chars[I] ==chars[j] )
isFound = true
}
}
if ( isFound == true )
Console.Writeline(“Not Unique”);
else
Console.Writeline(“Unique”);
}
}