using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    public static int strncmp(string s1, string s2, int num){

        int len1 = s1.Length;

        int len2 = s2.Length;

        if(len1 < num || len2 < num){

            num = Math.Min(len1,len2);  

        }

        string sub1 = s1.Substring(0,num);

        string sub2 = s2.Substring(0,num);

        return string.Compare(sub1,sub2,true);

    }

}