using System;

public class Program

{

    public static bool IsPangram(string sentence)

    {

        if (sentence.Length < 26)

            return false;

        var freq = new int[26];

        foreach(char c in sentence)

            freq[c - 'a']++;

        foreach(int f in freq)

            if(f == 0)

                return false;

        return true;

    }

    public static void Main()

    {

        Console.WriteLine("UniLecs");

        // tests

        Console.WriteLine(IsPangram("unilecs")); // false

        Console.WriteLine(IsPangram("thequickbrownfoxjumpsoverthelazydog")); // true

    }

}