01. Training Lab

using System;

class Program
{
    static void Main()
    {
        var width = double.Parse(Console.ReadLine()) * 100;
        var height = double.Parse(Console.ReadLine()) * 100;

        var bura = Math.Truncate((height - 100) / 70);
        var redove = Math.Truncate(width / 120);

        Console.WriteLine("{0}", bura * redove - 3);

    }
}