package com.gaoshixian;

import java.util.Scanner;

public class Test {
	public static void main(String[] args) {
		int a, b, num1, num2, temp;
		System.out.println("please input two numbers:\n");
		Scanner sc = new Scanner(System.in);
		num1 = sc.nextInt();
		num2 = sc.nextInt();
		if (num1 < num2)/* 交換兩個數，使大數放在num1上 */
		{
			temp = num1;
			num1 = num2;
			num2 = temp;
		}
		a = num1;
		b = num2;
		while (b != 0)/* 利用輾除法，直到b為0為止 */
		{
			temp = a % b;
			a = b;
			b = temp;
		}
		System.out.println("公約數" + a);
		System.out.println("公倍數" + num1 * num2 / a);
	}
}