using System;

public class Program

{

    public static void Main()

    {

        Random t=new Random();

        int x,n,n1,n2,n3,n4;

        x=t.Next(1,51);

        Console.WriteLine("Guess the number:");

        n=int.Parse(Console.ReadLine());

        if (n==x) 

          Console.WriteLine("You won");

        if (n>x)

        {

        Console.WriteLine("Enter a smaller number");

        n1=int.Parse(Console.ReadLine());

        }

        if (n<x) 

        {

        Console.WriteLine("Enter a bigger number");

        n2=int.Parse(Console.ReadLine());

        }

        else

        if (n1==x || n2==x)

        {

            Console.WriteLine("You won");

        }

         if (n1>x || n2>x)

         {

        Console.WriteLine("Enter a smaller number");

        n3=int.Parse(Console.ReadLine());

        }

        if (n1<x || n2<x)

        {

        Console.WriteLine("Enter a bigger number");

        n4=int.Parse(Console.ReadLine());

        }

        if (n3==x || n4==x)

          Console.WriteLine("you won");

        else

            Console.WriteLine("game over"); 

    }

}