import java.util.*;
class main{
    public static void main(String[]args){
        Scanner sc = new Scanner(System.in);
         if(!sc.nextFloat()){
            System.out.println("Invalid input");
            return;
        }
        float a = sc.nextFloat();
        float b = sc.nextFloat();
       
        if(a<0||b<0){
            System.out.println("Invalid input");
            return;
        }
        System.out.println(a*b);
        System.out.println(2*(a+b));
        
    }
}