/*
Will Clarkson
P01 and P02
wclarkso
Feb 8, 2009
*/

public class WindChill {

    public static void main(String [] args)
    {
	double t = Double.parseDouble(args[0]);
	double v = Double.parseDouble(args[1]);

	double w = 35.74 + 0.6215*t + (0.4275*t - 35.74)*Math.pow(v,0.16);

	System.out.println(w);
    }

}