#include <iostream>

using namespace std;

int fun(int x,int y)
{
        int i;
        for(i=(x<y?x:y);!(x%i==0&&y%i==0);i--);
        return x/i*y;
}

int main()
{
    int x,y;
    while(cin>>x>>y)
    {
            cout<<fun(x,y);
    }
}