using System;

public class Program

{

    public static int MaxItem(int[]arr)

    {

        int max=0;

        for (int i=0; i<arr.Length;i++)

        {

            if(arr[i]>max)

                max=arr[i];

        }

        return max;

    }

    public static int MinItem(int[]arr)

    {

        int min=arr[0];

        for (int i=0;i<arr.Length;i++)

        { 

            if(arr[i]<min)

                min=arr[i];

        }

        return min;

    }

     public static bool AllGreat(int[]a ,int[]b)

     {

         for(int i=0; i<a.Lenght; i++)

         {

             for(int m=0; m<b.Lenght; m++)

             {

                 if(a[i]>b[m])

                    return false;

            }

        }

        return true;

    }

     public static void main()

        {

            int[]a=new int[]{5,3,12,9,2,7,4};

            int[]b=new int[]{15,23,13,17,21};

            int[]c=new int[]{5,23,3,7,25};

            Console.WriteLine(AllGreat(a,b));

            Console.WriteLine(AllGreat(a,c));

    }

}