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

namespace WindowsFormsApplication6
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int i = 0;

            if (Convert.ToInt32(textBox1.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox2.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox3.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox4.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox5.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox6.Text) < 0)
                i = i + 1;
            if (Convert.ToInt32(textBox7.Text) < 0)
                i = i + 1;

            label8.Text = Convert.ToString(i);


        }

        private void button2_Click(object sender, EventArgs e)
        {
            double suma = 0;

            suma = (Convert.ToDouble(textBox1.Text) + Convert.ToDouble(textBox2.Text) + Convert.ToDouble(textBox3.Text) + Convert.ToDouble(textBox4.Text) + Convert.ToDouble(textBox5.Text) + Convert.ToDouble(textBox6.Text) + Convert.ToDouble(textBox7.Text)) / 7;

            label9.Text = Convert.ToString(suma);
        }
    }
}