import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNextInt()) { // 注意 while 处理多个 case int a = in.nextInt(); int b = in.nextInt(); int T = 1; int x = 2; while((a != 1 || b != 1) && x <= Math.min(a,b)){ if(a % x == 0 && b % x == 0){ T *= x; a /= x; b /= x; x = 2; continue; } x++; } System.out.print(a*b*T); } } }