//by krm

import java.util.Scanner;

public class Ex3 {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int heltal1 = in.nextInt();
		int heltal2 = in.nextInt();
		int heltal3 = in.nextInt();
		int resultat = volum(heltal1, heltal2, heltal3);
		System.out.println(resultat);
	}

	private static int volum(int heltal1, int heltal2, int heltal3) {
		return  heltal1* heltal2* heltal3;
	}

}