using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string t = "ABCD";

        string p = "ABE";

        Console.WriteLine(IsMatch(t,p));

    }

    public static bool IsMatch(string t, string p)

    {

        int tL = t.Length;

        int pL = p.Length;

        int i =0; int j =0;

        while(i < tL) // 

        {

            while(j < pL)

            {

                if(t[i] != p[j])

                {

                    break;

                }

                j++;

                i++;

            }

            if(j+1==pL)

            {

                return true;

            }

            j=0;

        }           

        return false;

    }

}