using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        static int[] c = new int[5];
        public Form1()
        {
            InitializeComponent();
            random();
        }
        private double atlag()
        {
            double tmp=0;
            for (int i = 0; i < c.Length; i++)
            {
                tmp += c[i];
            }
            return tmp/5;
        }
        private void random()
        {
            Random r = new Random();
            for (int i = 0; i < c.Length; i++)
            {
                c[i] = r.Next(10, 100);
            }
            string a = "";
            for (int i = 0; i < c.Length; i++)
            {
                a = a + c[i].ToString() + " ";
            }
            label1.Text = a;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            random();

        }
        private void atlagos()
        {
            double f = atlag();

            if (f <= 50)
            {
                label2.ForeColor = Color.Green;

            }
            else
            {
                label2.ForeColor = Color.Red;

            }
            label2.Text = Convert.ToString(f);
        }
        private void button2_Click(object sender, EventArgs e)
        {
            atlagos();

        }
    }
}