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.Length;i++)

        {

            for(int s=0;s<b.Length;s++)

            {

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

                    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[]{15,23,3,7,25};

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

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

    }

}