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 _6th_Program_Smallest_Greatest
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                 InitializeComponent();
            }
            private void button1_Click(object sender, EventArgs e)
            {
                int a, b, c;

                a = Convert.ToInt16(textBox1.Text);
                b = Convert.ToInt16(textBox2.Text);
                c = Convert.ToInt16(textBox3.Text);

                if (a > b && a > c)
                {
                    textBox4.Text = " First Number is Greatest ";
                }
                else if (b > a && b > c)
                {
                    textBox4.Text = "Second Number Greatest";
                }
                else
                {
                    textBox4.Text = "Third Number Greatest";
                }
            }
        } 
    }