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
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private void button1_Click(object sender, EventArgs e)
        {
             string text=this.textBox1.Text+" "+this.textBox2.Text+" are "+this.textBox3.Text+" ani.";
            this.textBox4.Text=text;
            this.textBox4.Visible = true;
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click_1(object sender, EventArgs e)
        {
            this.textBox1.Text = "";
            this.textBox2.Text = "";
            this.textBox3.Text = "";
            this.textBox4.Text = "";


        }

        private void textBox4_TextChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

    }
}