Integers

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 WindowsFormsApplication14
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            int minTal1 = 5;
            int minTal2 = 10;
            int mintal3 = 3;

            minTal1 = minTal2 + mintal3;

            MessageBox.Show(minTal1.ToString());
        }
    }
}