#include <iostream>
using namespace std;
int gcd(int a,int b)
{
if(a<b)
{
a=a^b;
b=a^b;
a=a^b;
}
while(a%b!=0)
{
a=a%b;
a=a^b;
b=a^b;
a=a^b;
}
return b;
}
int main()
{
int a,b;
while(cin>>a>>b)
{
int c=gcd(a,b);
cout<<a*b/c<<endl;
}
return 0;
}