olimp_D.java

import java.util.*;
import java.io.IOException;
public class Main {
   public static void main (String[] args) throws IOException
   {
Scanner in = new Scanner(System.in);
       long n = in.nextLong(),m = in.nextLong();
       System.out.println(lcm(n,m));
   }
   public static long lcm(long a,long b){
       return a / gcd(a,b) * b;
   }
   public static long gcd(long a,long b){
       return b == 0 ? a : gcd(b,a % b);
   }
}