using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("tomeg:80kg");

        double tomeg = Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("magassag:180cm ");

        double magassag = Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("BMI:" + tomeg / ((magassag / 100) * (magassag / 100)));

    }

}