using System;

public class Program

{

    public class textbox{

       public int width;

       public int length;

       public String color; 

       public int height;

       public int weight;

        public void setHeight(int height){

           this.height=height;

        }

        public void setWe(int weight){

           this.weight=weight;

        }

        public int getBmi(){

           int ans=0;

            ans= this.weight/(this.height*this.height);

            return ans;

        }

       public void produce(){

          Console.WriteLine("i produce a textbox" + width + "+" + length);

       }

        public void modify(int width){

           this.width = width;

        }

        public int getWidth(){

           return this.width;

        }

    }

    public static void Main()

    {

        textbox t1 = new textbox();

        t1.setWe(55);

        t1.setHeight(167);

        var bmi=t1.getBmi();

        Console.WriteLine(bmi);

        //var width=t1.getWidth();

        //Console.WriteLine(width);

    }

}