program legkisebb_kozostobbszoros;
var a,b:word;
function lkkt(x,y:word):word;
var c,d:word;
begin
 c:=x;
 d:=y;
 while x<>y do
 if x>y then x:=x-y else y:=y-x;
 lkkt:=c*d div x
end;
begin
     readln(a);
     readln(b);
     writeln(lkkt(a,b));
     readln
end.