import java.util.Scanner;
class Box {
int length;
int width;
int height;
void setBox(int l,int w,int h){
	length=l;
	width=w;
	height=h;
}
int volume(){
	int V=(int)(length*width*height);
	return V;
}
public static void main(String[] args) { 
	Box b=new Box();
	Scanner reader = new Scanner(System.in);
	System.out.println("请长方体输入长宽高：");
	b.length=reader.nextInt();
	b.width=reader.nextInt();
	b.height=reader.nextInt();
	System.out.println(b.volume());
	}
}