import java.util.*;
public class preNum{
    public static void main(String... args){
        Scanner s = new Scanner(System.in);
        double P = s.nextDouble();
        double C = s.nextDouble();
        double pre=(double)(2+3+5+7+11+13)/(double)6,mix=(double)(4+6+8+9+10+12)/(double)6;
         System.out.println(Math.pow(pre,P)*Math.pow(mix,C));
    }
}