#include <cstdio>

int main(){
	int a,b,m,n,t;
	
	scanf("%d %d",&a,&b);
		
	if (a>b) m=a; else m=b;
	n=a+b-m;
	while (n!=0){
		t=m;
		m=n;
		n=t%n;
	}
	
	printf("%d\n",a*b/m);
	
	int pause;
	scanf("%d",&pause);
	return 0;   
}