#include<iostream.h>
#include<stdio.h>
int main ()
{long int a,ca,b,cb,m; 
 freopen("multiplu", "rt", stdin);   
 freopen("multiplu.out", "wt", stdout);
scanf("ld",&a);
scanf("ld",&b);
ca=a; cb=b;
//while (a!=b) {if (a>b) a=a-b;
//              else b=b-a;}
r=a%b;
while (r!=0) {a=b;
              b=r;
              r=a%b;}
m=ca*cb/b;
printf ("ld",m);
return 0;}