using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public static int calc(int a,int b)
        {
            int test;
            test = a + b;
            return test;
        }
        private void Form1_Load(object sender, EventArgs e)
        {
        }
        private void button1_Click(object sender, EventArgs e)
        {
            int function;
            function = calc(int.Parse(textBox1.Text), int.Parse(textBox1.Text));
            textBox3.Text = function.ToString();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            textBox3.ResetText();
        }
    }
}