import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
int i = Math.max(a, b);
for (; i <= a * b; i += Math.max(a, b)) {
if (i % a == 0 && i % b == 0) {
break;
}
}
System.out.println(i);
}
}

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